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Finding the Fourth Proportional to 58,988.27, 81,400.95 and 33,491.30

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Solution

The fourth proportional to 58,988.27, 81,400.95 and 33,491.30 is: 46,216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,988.27 : 81,400.95 = 33,491.30 : x
  2. Step 2: Convert to fraction form
    58,988.27/81,400.95 = 33,491.30/x
  3. Step 3: Cross multiply
    58,988.27x = 81,400.95 × 33,491.30
  4. Step 4: Simplify right side
    58,988.27x = 2,726,223,229.73
  5. Step 5: Solve for x
    x = 2,726,223,229.73/58,988.27
  6. Step 6: Final answer
    x = 46,216.37

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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.