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Finding the Fourth Proportional to 58,098.80, 87,139.06 and 15,982.04

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Solution

The fourth proportional to 58,098.80, 87,139.06 and 15,982.04 is: 23,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,098.80 : 87,139.06 = 15,982.04 : x
  2. Step 2: Convert to fraction form
    58,098.80/87,139.06 = 15,982.04/x
  3. Step 3: Cross multiply
    58,098.80x = 87,139.06 × 15,982.04
  4. Step 4: Simplify right side
    58,098.80x = 1,392,660,120.37
  5. Step 5: Solve for x
    x = 1,392,660,120.37/58,098.80
  6. Step 6: Final answer
    x = 23,970.55

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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.