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Finding the Fourth Proportional to 58,691.52, 88,027.88 and 18,705.31

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Solution

The fourth proportional to 58,691.52, 88,027.88 and 18,705.31 is: 28,054.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,691.52 : 88,027.88 = 18,705.31 : x
  2. Step 2: Convert to fraction form
    58,691.52/88,027.88 = 18,705.31/x
  3. Step 3: Cross multiply
    58,691.52x = 88,027.88 × 18,705.31
  4. Step 4: Simplify right side
    58,691.52x = 1,646,588,784.04
  5. Step 5: Solve for x
    x = 1,646,588,784.04/58,691.52
  6. Step 6: Final answer
    x = 28,054.97

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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.