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Finding the Fourth Proportional to 65,806.17, 98,449.55 and 49,841.71

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Solution

The fourth proportional to 65,806.17, 98,449.55 and 49,841.71 is: 74,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,806.17 : 98,449.55 = 49,841.71 : x
  2. Step 2: Convert to fraction form
    65,806.17/98,449.55 = 49,841.71/x
  3. Step 3: Cross multiply
    65,806.17x = 98,449.55 × 49,841.71
  4. Step 4: Simplify right side
    65,806.17x = 4,906,893,920.73
  5. Step 5: Solve for x
    x = 4,906,893,920.73/65,806.17
  6. Step 6: Final answer
    x = 74,565.86

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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.