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Finding the Fourth Proportional to 60,713.17, 91,047.88 and 25,655.56

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Solution

The fourth proportional to 60,713.17, 91,047.88 and 25,655.56 is: 38,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,713.17 : 91,047.88 = 25,655.56 : x
  2. Step 2: Convert to fraction form
    60,713.17/91,047.88 = 25,655.56/x
  3. Step 3: Cross multiply
    60,713.17x = 91,047.88 × 25,655.56
  4. Step 4: Simplify right side
    60,713.17x = 2,335,884,348.21
  5. Step 5: Solve for x
    x = 2,335,884,348.21/60,713.17
  6. Step 6: Final answer
    x = 38,474.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.