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Finding the Fourth Proportional to 44,711.80, 67,043.40 and 15,114.40

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Solution

The fourth proportional to 44,711.80, 67,043.40 and 15,114.40 is: 22,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,711.80 : 67,043.40 = 15,114.40 : x
  2. Step 2: Convert to fraction form
    44,711.80/67,043.40 = 15,114.40/x
  3. Step 3: Cross multiply
    44,711.80x = 67,043.40 × 15,114.40
  4. Step 4: Simplify right side
    44,711.80x = 1,013,320,764.96
  5. Step 5: Solve for x
    x = 1,013,320,764.96/44,711.80
  6. Step 6: Final answer
    x = 22,663.39

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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.