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Finding the Fourth Proportional to 63,064.77, 86,938.96 and 49,612.66

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Solution

The fourth proportional to 63,064.77, 86,938.96 and 49,612.66 is: 68,394.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,064.77 : 86,938.96 = 49,612.66 : x
  2. Step 2: Convert to fraction form
    63,064.77/86,938.96 = 49,612.66/x
  3. Step 3: Cross multiply
    63,064.77x = 86,938.96 × 49,612.66
  4. Step 4: Simplify right side
    63,064.77x = 4,313,272,815.17
  5. Step 5: Solve for x
    x = 4,313,272,815.17/63,064.77
  6. Step 6: Final answer
    x = 68,394.33

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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.