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Finding the Fourth Proportional to 8,514,266.40, 12,771,399.60 and 8,514,266.40

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Solution

The fourth proportional to 8,514,266.40, 12,771,399.60 and 8,514,266.40 is: 12,771,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514,266.40 : 12,771,399.60 = 8,514,266.40 : x
  2. Step 2: Convert to fraction form
    8,514,266.40/12,771,399.60 = 8,514,266.40/x
  3. Step 3: Cross multiply
    8,514,266.40x = 12,771,399.60 × 8,514,266.40
  4. Step 4: Simplify right side
    8,514,266.40x = 108,739,098,495,253.44
  5. Step 5: Solve for x
    x = 108,739,098,495,253.44/8,514,266.40
  6. Step 6: Final answer
    x = 12,771,399.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.