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Finding the Fourth Proportional to 58,203.99, 87,306.54 and 31,894.38

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Solution

The fourth proportional to 58,203.99, 87,306.54 and 31,894.38 is: 47,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,203.99 : 87,306.54 = 31,894.38 : x
  2. Step 2: Convert to fraction form
    58,203.99/87,306.54 = 31,894.38/x
  3. Step 3: Cross multiply
    58,203.99x = 87,306.54 × 31,894.38
  4. Step 4: Simplify right side
    58,203.99x = 2,784,587,963.25
  5. Step 5: Solve for x
    x = 2,784,587,963.25/58,203.99
  6. Step 6: Final answer
    x = 47,841.87

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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.