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Finding the Fourth Proportional to 71,494.16, 107,250.17 and 21,574.17

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Solution

The fourth proportional to 71,494.16, 107,250.17 and 21,574.17 is: 32,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,494.16 : 107,250.17 = 21,574.17 : x
  2. Step 2: Convert to fraction form
    71,494.16/107,250.17 = 21,574.17/x
  3. Step 3: Cross multiply
    71,494.16x = 107,250.17 × 21,574.17
  4. Step 4: Simplify right side
    71,494.16x = 2,313,833,292.24
  5. Step 5: Solve for x
    x = 2,313,833,292.24/71,494.16
  6. Step 6: Final answer
    x = 32,363.95

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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.