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Finding the Fourth Proportional to 8,266.58, 12,399.88 and 2,423.24

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Solution

The fourth proportional to 8,266.58, 12,399.88 and 2,423.24 is: 3,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.58 : 12,399.88 = 2,423.24 : x
  2. Step 2: Convert to fraction form
    8,266.58/12,399.88 = 2,423.24/x
  3. Step 3: Cross multiply
    8,266.58x = 12,399.88 × 2,423.24
  4. Step 4: Simplify right side
    8,266.58x = 30,047,885.21
  5. Step 5: Solve for x
    x = 30,047,885.21/8,266.58
  6. Step 6: Final answer
    x = 3,634.86

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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.