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Finding the Fourth Proportional to 40,377.92, 60,549.60 and 14,074.88

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Solution

The fourth proportional to 40,377.92, 60,549.60 and 14,074.88 is: 21,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,377.92 : 60,549.60 = 14,074.88 : x
  2. Step 2: Convert to fraction form
    40,377.92/60,549.60 = 14,074.88/x
  3. Step 3: Cross multiply
    40,377.92x = 60,549.60 × 14,074.88
  4. Step 4: Simplify right side
    40,377.92x = 852,228,354.05
  5. Step 5: Solve for x
    x = 852,228,354.05/40,377.92
  6. Step 6: Final answer
    x = 21,106.30

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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.