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Finding the Fourth Proportional to 58,789.76, 88,092.48 and 49,988.48

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Solution

The fourth proportional to 58,789.76, 88,092.48 and 49,988.48 is: 74,904.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,789.76 : 88,092.48 = 49,988.48 : x
  2. Step 2: Convert to fraction form
    58,789.76/88,092.48 = 49,988.48/x
  3. Step 3: Cross multiply
    58,789.76x = 88,092.48 × 49,988.48
  4. Step 4: Simplify right side
    58,789.76x = 4,403,609,174.63
  5. Step 5: Solve for x
    x = 4,403,609,174.63/58,789.76
  6. Step 6: Final answer
    x = 74,904.36

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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.