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Finding the Fourth Proportional to 60,414.40, 90,442.40 and 44,900.80

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Solution

The fourth proportional to 60,414.40, 90,442.40 and 44,900.80 is: 67,218.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,414.40 : 90,442.40 = 44,900.80 : x
  2. Step 2: Convert to fraction form
    60,414.40/90,442.40 = 44,900.80/x
  3. Step 3: Cross multiply
    60,414.40x = 90,442.40 × 44,900.80
  4. Step 4: Simplify right side
    60,414.40x = 4,060,936,113.92
  5. Step 5: Solve for x
    x = 4,060,936,113.92/60,414.40
  6. Step 6: Final answer
    x = 67,218.02

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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.