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Finding the Fourth Proportional to 40,314.20, 60,411.90 and 29,244.20

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Solution

The fourth proportional to 40,314.20, 60,411.90 and 29,244.20 is: 43,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,314.20 : 60,411.90 = 29,244.20 : x
  2. Step 2: Convert to fraction form
    40,314.20/60,411.90 = 29,244.20/x
  3. Step 3: Cross multiply
    40,314.20x = 60,411.90 × 29,244.20
  4. Step 4: Simplify right side
    40,314.20x = 1,766,697,685.98
  5. Step 5: Solve for x
    x = 1,766,697,685.98/40,314.20
  6. Step 6: Final answer
    x = 43,823.21

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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.