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Finding the Fourth Proportional to 71,257.79, 106,901.91 and 26,279.27

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Solution

The fourth proportional to 71,257.79, 106,901.91 and 26,279.27 is: 39,424.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,257.79 : 106,901.91 = 26,279.27 : x
  2. Step 2: Convert to fraction form
    71,257.79/106,901.91 = 26,279.27/x
  3. Step 3: Cross multiply
    71,257.79x = 106,901.91 × 26,279.27
  4. Step 4: Simplify right side
    71,257.79x = 2,809,304,022.78
  5. Step 5: Solve for x
    x = 2,809,304,022.78/71,257.79
  6. Step 6: Final answer
    x = 39,424.52

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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.