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Finding the Fourth Proportional to 60,472.20, 90,708.30 and 44,920.20

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Solution

The fourth proportional to 60,472.20, 90,708.30 and 44,920.20 is: 67,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,472.20 : 90,708.30 = 44,920.20 : x
  2. Step 2: Convert to fraction form
    60,472.20/90,708.30 = 44,920.20/x
  3. Step 3: Cross multiply
    60,472.20x = 90,708.30 × 44,920.20
  4. Step 4: Simplify right side
    60,472.20x = 4,074,634,977.66
  5. Step 5: Solve for x
    x = 4,074,634,977.66/60,472.20
  6. Step 6: Final answer
    x = 67,380.30

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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.