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Finding the Fourth Proportional to 15,468.74, 23,191.74 and 4,932.70

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Solution

The fourth proportional to 15,468.74, 23,191.74 and 4,932.70 is: 7,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468.74 : 23,191.74 = 4,932.70 : x
  2. Step 2: Convert to fraction form
    15,468.74/23,191.74 = 4,932.70/x
  3. Step 3: Cross multiply
    15,468.74x = 23,191.74 × 4,932.70
  4. Step 4: Simplify right side
    15,468.74x = 114,397,895.90
  5. Step 5: Solve for x
    x = 114,397,895.90/15,468.74
  6. Step 6: Final answer
    x = 7,395.42

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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.