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Finding the Fourth Proportional to 58,042.79, 86,982.07 and 24,729.31

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Solution

The fourth proportional to 58,042.79, 86,982.07 and 24,729.31 is: 37,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,042.79 : 86,982.07 = 24,729.31 : x
  2. Step 2: Convert to fraction form
    58,042.79/86,982.07 = 24,729.31/x
  3. Step 3: Cross multiply
    58,042.79x = 86,982.07 × 24,729.31
  4. Step 4: Simplify right side
    58,042.79x = 2,151,006,573.47
  5. Step 5: Solve for x
    x = 2,151,006,573.47/58,042.79
  6. Step 6: Final answer
    x = 37,058.98

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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.