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Finding the Fourth Proportional to 14,624.78, 20,182.11 and 8,337.02

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Solution

The fourth proportional to 14,624.78, 20,182.11 and 8,337.02 is: 11,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,624.78 : 20,182.11 = 8,337.02 : x
  2. Step 2: Convert to fraction form
    14,624.78/20,182.11 = 8,337.02/x
  3. Step 3: Cross multiply
    14,624.78x = 20,182.11 × 8,337.02
  4. Step 4: Simplify right side
    14,624.78x = 168,258,654.71
  5. Step 5: Solve for x
    x = 168,258,654.71/14,624.78
  6. Step 6: Final answer
    x = 11,505.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.