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Finding the Fourth Proportional to 40,662.77, 60,990.56 and 14,366.21

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Solution

The fourth proportional to 40,662.77, 60,990.56 and 14,366.21 is: 21,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,662.77 : 60,990.56 = 14,366.21 : x
  2. Step 2: Convert to fraction form
    40,662.77/60,990.56 = 14,366.21/x
  3. Step 3: Cross multiply
    40,662.77x = 60,990.56 × 14,366.21
  4. Step 4: Simplify right side
    40,662.77x = 876,203,121.15
  5. Step 5: Solve for x
    x = 876,203,121.15/40,662.77
  6. Step 6: Final answer
    x = 21,548.04

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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.