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Finding the Fourth Proportional to 69,788.82, 96,305.78 and 37,957.74

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Solution

The fourth proportional to 69,788.82, 96,305.78 and 37,957.74 is: 52,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,788.82 : 96,305.78 = 37,957.74 : x
  2. Step 2: Convert to fraction form
    69,788.82/96,305.78 = 37,957.74/x
  3. Step 3: Cross multiply
    69,788.82x = 96,305.78 × 37,957.74
  4. Step 4: Simplify right side
    69,788.82x = 3,655,549,757.74
  5. Step 5: Solve for x
    x = 3,655,549,757.74/69,788.82
  6. Step 6: Final answer
    x = 52,380.16

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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.