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Finding the Fourth Proportional to 69,302.88, 95,637.92 and 37,471.76

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Solution

The fourth proportional to 69,302.88, 95,637.92 and 37,471.76 is: 51,711.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,302.88 : 95,637.92 = 37,471.76 : x
  2. Step 2: Convert to fraction form
    69,302.88/95,637.92 = 37,471.76/x
  3. Step 3: Cross multiply
    69,302.88x = 95,637.92 × 37,471.76
  4. Step 4: Simplify right side
    69,302.88x = 3,583,721,185.14
  5. Step 5: Solve for x
    x = 3,583,721,185.14/69,302.88
  6. Step 6: Final answer
    x = 51,711.00

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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.