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Finding the Fourth Proportional to 62,951.41, 86,872.71 and 34,657.12

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Solution

The fourth proportional to 62,951.41, 86,872.71 and 34,657.12 is: 47,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,951.41 : 86,872.71 = 34,657.12 : x
  2. Step 2: Convert to fraction form
    62,951.41/86,872.71 = 34,657.12/x
  3. Step 3: Cross multiply
    62,951.41x = 86,872.71 × 34,657.12
  4. Step 4: Simplify right side
    62,951.41x = 3,010,757,935.20
  5. Step 5: Solve for x
    x = 3,010,757,935.20/62,951.41
  6. Step 6: Final answer
    x = 47,826.70

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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.