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Finding the Fourth Proportional to 38,881.50, 58,251.78 and 17,839.17

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Solution

The fourth proportional to 38,881.50, 58,251.78 and 17,839.17 is: 26,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,881.50 : 58,251.78 = 17,839.17 : x
  2. Step 2: Convert to fraction form
    38,881.50/58,251.78 = 17,839.17/x
  3. Step 3: Cross multiply
    38,881.50x = 58,251.78 × 17,839.17
  4. Step 4: Simplify right side
    38,881.50x = 1,039,163,406.22
  5. Step 5: Solve for x
    x = 1,039,163,406.22/38,881.50
  6. Step 6: Final answer
    x = 26,726.42

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1.5x scale

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.