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Finding the Fourth Proportional to 64,338.91, 88,780.53 and 37,475.80

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Solution

The fourth proportional to 64,338.91, 88,780.53 and 37,475.80 is: 51,712.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,338.91 : 88,780.53 = 37,475.80 : x
  2. Step 2: Convert to fraction form
    64,338.91/88,780.53 = 37,475.80/x
  3. Step 3: Cross multiply
    64,338.91x = 88,780.53 × 37,475.80
  4. Step 4: Simplify right side
    64,338.91x = 3,327,121,386.17
  5. Step 5: Solve for x
    x = 3,327,121,386.17/64,338.91
  6. Step 6: Final answer
    x = 51,712.43

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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.