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Finding the Fourth Proportional to 58,002.75, 86,990.45 and 32,713.11

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Solution

The fourth proportional to 58,002.75, 86,990.45 and 32,713.11 is: 49,061.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,002.75 : 86,990.45 = 32,713.11 : x
  2. Step 2: Convert to fraction form
    58,002.75/86,990.45 = 32,713.11/x
  3. Step 3: Cross multiply
    58,002.75x = 86,990.45 × 32,713.11
  4. Step 4: Simplify right side
    58,002.75x = 2,845,727,996.23
  5. Step 5: Solve for x
    x = 2,845,727,996.23/58,002.75
  6. Step 6: Final answer
    x = 49,061.95

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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.