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Finding the Fourth Proportional to 58,553.52, 87,842.52 and 19,112.88

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Solution

The fourth proportional to 58,553.52, 87,842.52 and 19,112.88 is: 28,673.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,553.52 : 87,842.52 = 19,112.88 : x
  2. Step 2: Convert to fraction form
    58,553.52/87,842.52 = 19,112.88/x
  3. Step 3: Cross multiply
    58,553.52x = 87,842.52 × 19,112.88
  4. Step 4: Simplify right side
    58,553.52x = 1,678,923,543.66
  5. Step 5: Solve for x
    x = 1,678,923,543.66/58,553.52
  6. Step 6: Final answer
    x = 28,673.32

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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.