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Finding the Fourth Proportional to 38,859.43, 58,289 and 16,658.41

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Solution

The fourth proportional to 38,859.43, 58,289 and 16,658.41 is: 24,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,859.43 : 58,289 = 16,658.41 : x
  2. Step 2: Convert to fraction form
    38,859.43/58,289 = 16,658.41/x
  3. Step 3: Cross multiply
    38,859.43x = 58,289 × 16,658.41
  4. Step 4: Simplify right side
    38,859.43x = 971,002,060.49
  5. Step 5: Solve for x
    x = 971,002,060.49/38,859.43
  6. Step 6: Final answer
    x = 24,987.55

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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.