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Finding the Fourth Proportional to 40,471.53, 55,851.03 and 22,567.74

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Solution

The fourth proportional to 40,471.53, 55,851.03 and 22,567.74 is: 31,143.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,471.53 : 55,851.03 = 22,567.74 : x
  2. Step 2: Convert to fraction form
    40,471.53/55,851.03 = 22,567.74/x
  3. Step 3: Cross multiply
    40,471.53x = 55,851.03 × 22,567.74
  4. Step 4: Simplify right side
    40,471.53x = 1,260,431,314.33
  5. Step 5: Solve for x
    x = 1,260,431,314.33/40,471.53
  6. Step 6: Final answer
    x = 31,143.66

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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.