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Finding the Fourth Proportional to 60,712.67, 91,047.13 and 25,655.06

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Solution

The fourth proportional to 60,712.67, 91,047.13 and 25,655.06 is: 38,473.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,712.67 : 91,047.13 = 25,655.06 : x
  2. Step 2: Convert to fraction form
    60,712.67/91,047.13 = 25,655.06/x
  3. Step 3: Cross multiply
    60,712.67x = 91,047.13 × 25,655.06
  4. Step 4: Simplify right side
    60,712.67x = 2,335,819,582.98
  5. Step 5: Solve for x
    x = 2,335,819,582.98/60,712.67
  6. Step 6: Final answer
    x = 38,473.35

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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.