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Finding the Fourth Proportional to 57,999.04, 87,011.52 and 18,558.52

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Solution

The fourth proportional to 57,999.04, 87,011.52 and 18,558.52 is: 27,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,999.04 : 87,011.52 = 18,558.52 : x
  2. Step 2: Convert to fraction form
    57,999.04/87,011.52 = 18,558.52/x
  3. Step 3: Cross multiply
    57,999.04x = 87,011.52 × 18,558.52
  4. Step 4: Simplify right side
    57,999.04x = 1,614,805,034.15
  5. Step 5: Solve for x
    x = 1,614,805,034.15/57,999.04
  6. Step 6: Final answer
    x = 27,841.93

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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.