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Finding the Fourth Proportional to 40,449.54, 55,807.17 and 22,541.16

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Solution

The fourth proportional to 40,449.54, 55,807.17 and 22,541.16 is: 31,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,449.54 : 55,807.17 = 22,541.16 : x
  2. Step 2: Convert to fraction form
    40,449.54/55,807.17 = 22,541.16/x
  3. Step 3: Cross multiply
    40,449.54x = 55,807.17 × 22,541.16
  4. Step 4: Simplify right side
    40,449.54x = 1,257,958,348.12
  5. Step 5: Solve for x
    x = 1,257,958,348.12/40,449.54
  6. Step 6: Final answer
    x = 31,099.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.