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Finding the Fourth Proportional to 62,906.08, 86,934.72 and 51,557.44

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Solution

The fourth proportional to 62,906.08, 86,934.72 and 51,557.44 is: 71,251.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,906.08 : 86,934.72 = 51,557.44 : x
  2. Step 2: Convert to fraction form
    62,906.08/86,934.72 = 51,557.44/x
  3. Step 3: Cross multiply
    62,906.08x = 86,934.72 × 51,557.44
  4. Step 4: Simplify right side
    62,906.08x = 4,482,131,610.32
  5. Step 5: Solve for x
    x = 4,482,131,610.32/62,906.08
  6. Step 6: Final answer
    x = 71,251.17

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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.