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Finding the Fourth Proportional to 58,487.92, 87,731.80 and 19,044.96

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Solution

The fourth proportional to 58,487.92, 87,731.80 and 19,044.96 is: 28,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,487.92 : 87,731.80 = 19,044.96 : x
  2. Step 2: Convert to fraction form
    58,487.92/87,731.80 = 19,044.96/x
  3. Step 3: Cross multiply
    58,487.92x = 87,731.80 × 19,044.96
  4. Step 4: Simplify right side
    58,487.92x = 1,670,848,621.73
  5. Step 5: Solve for x
    x = 1,670,848,621.73/58,487.92
  6. Step 6: Final answer
    x = 28,567.41

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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.