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Finding the Fourth Proportional to 71,034.88, 106,552.52 and 18,444.80

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Solution

The fourth proportional to 71,034.88, 106,552.52 and 18,444.80 is: 27,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,034.88 : 106,552.52 = 18,444.80 : x
  2. Step 2: Convert to fraction form
    71,034.88/106,552.52 = 18,444.80/x
  3. Step 3: Cross multiply
    71,034.88x = 106,552.52 × 18,444.80
  4. Step 4: Simplify right side
    71,034.88x = 1,965,339,920.90
  5. Step 5: Solve for x
    x = 1,965,339,920.90/71,034.88
  6. Step 6: Final answer
    x = 27,667.25

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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.