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Finding the Fourth Proportional to 44,687.80, 67,031.70 and 16,982.20

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Solution

The fourth proportional to 44,687.80, 67,031.70 and 16,982.20 is: 25,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,687.80 : 67,031.70 = 16,982.20 : x
  2. Step 2: Convert to fraction form
    44,687.80/67,031.70 = 16,982.20/x
  3. Step 3: Cross multiply
    44,687.80x = 67,031.70 × 16,982.20
  4. Step 4: Simplify right side
    44,687.80x = 1,138,345,735.74
  5. Step 5: Solve for x
    x = 1,138,345,735.74/44,687.80
  6. Step 6: Final answer
    x = 25,473.30

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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.