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Finding the Fourth Proportional to 62,117.72, 85,713.11 and 34,892.75

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Solution

The fourth proportional to 62,117.72, 85,713.11 and 34,892.75 is: 48,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,117.72 : 85,713.11 = 34,892.75 : x
  2. Step 2: Convert to fraction form
    62,117.72/85,713.11 = 34,892.75/x
  3. Step 3: Cross multiply
    62,117.72x = 85,713.11 × 34,892.75
  4. Step 4: Simplify right side
    62,117.72x = 2,990,765,515.92
  5. Step 5: Solve for x
    x = 2,990,765,515.92/62,117.72
  6. Step 6: Final answer
    x = 48,146.74

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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.