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Finding the Fourth Proportional to 56,642.68, 84,974.24 and 23,344.21

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Solution

The fourth proportional to 56,642.68, 84,974.24 and 23,344.21 is: 35,020.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,642.68 : 84,974.24 = 23,344.21 : x
  2. Step 2: Convert to fraction form
    56,642.68/84,974.24 = 23,344.21/x
  3. Step 3: Cross multiply
    56,642.68x = 84,974.24 × 23,344.21
  4. Step 4: Simplify right side
    56,642.68x = 1,983,656,503.15
  5. Step 5: Solve for x
    x = 1,983,656,503.15/56,642.68
  6. Step 6: Final answer
    x = 35,020.53

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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.