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Finding the Fourth Proportional to 58,244.98, 87,359.01 and 28,654.90

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Solution

The fourth proportional to 58,244.98, 87,359.01 and 28,654.90 is: 42,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,244.98 : 87,359.01 = 28,654.90 : x
  2. Step 2: Convert to fraction form
    58,244.98/87,359.01 = 28,654.90/x
  3. Step 3: Cross multiply
    58,244.98x = 87,359.01 × 28,654.90
  4. Step 4: Simplify right side
    58,244.98x = 2,503,263,695.65
  5. Step 5: Solve for x
    x = 2,503,263,695.65/58,244.98
  6. Step 6: Final answer
    x = 42,978.19

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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.