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Finding the Fourth Proportional to 58,040.71, 87,046.45 and 22,489.81

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Solution

The fourth proportional to 58,040.71, 87,046.45 and 22,489.81 is: 33,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,040.71 : 87,046.45 = 22,489.81 : x
  2. Step 2: Convert to fraction form
    58,040.71/87,046.45 = 22,489.81/x
  3. Step 3: Cross multiply
    58,040.71x = 87,046.45 × 22,489.81
  4. Step 4: Simplify right side
    58,040.71x = 1,957,658,121.67
  5. Step 5: Solve for x
    x = 1,957,658,121.67/58,040.71
  6. Step 6: Final answer
    x = 33,729.05

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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.