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Finding the Fourth Proportional to 58,375.48, 87,575.54 and 18,929.52

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Solution

The fourth proportional to 58,375.48, 87,575.54 and 18,929.52 is: 28,398.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,375.48 : 87,575.54 = 18,929.52 : x
  2. Step 2: Convert to fraction form
    58,375.48/87,575.54 = 18,929.52/x
  3. Step 3: Cross multiply
    58,375.48x = 87,575.54 × 18,929.52
  4. Step 4: Simplify right side
    58,375.48x = 1,657,762,935.94
  5. Step 5: Solve for x
    x = 1,657,762,935.94/58,375.48
  6. Step 6: Final answer
    x = 28,398.28

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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.