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Finding the Fourth Proportional to 23,773.74, 32,807.90 and 13,163.56

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Solution

The fourth proportional to 23,773.74, 32,807.90 and 13,163.56 is: 18,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,773.74 : 32,807.90 = 13,163.56 : x
  2. Step 2: Convert to fraction form
    23,773.74/32,807.90 = 13,163.56/x
  3. Step 3: Cross multiply
    23,773.74x = 32,807.90 × 13,163.56
  4. Step 4: Simplify right side
    23,773.74x = 431,868,760.12
  5. Step 5: Solve for x
    x = 431,868,760.12/23,773.74
  6. Step 6: Final answer
    x = 18,165.79

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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.