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Finding the Fourth Proportional to 8,196,098.60, 11,491,334.20 and 8,196,098.60

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Solution

The fourth proportional to 8,196,098.60, 11,491,334.20 and 8,196,098.60 is: 11,491,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,098.60 : 11,491,334.20 = 8,196,098.60 : x
  2. Step 2: Convert to fraction form
    8,196,098.60/11,491,334.20 = 8,196,098.60/x
  3. Step 3: Cross multiply
    8,196,098.60x = 11,491,334.20 × 8,196,098.60
  4. Step 4: Simplify right side
    8,196,098.60x = 94,184,108,148,752.11
  5. Step 5: Solve for x
    x = 94,184,108,148,752.11/8,196,098.60
  6. Step 6: Final answer
    x = 11,491,334.20

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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 (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.