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Finding the Fourth Proportional to 48,351.71, 72,497.72 and 16,754.42

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Solution

The fourth proportional to 48,351.71, 72,497.72 and 16,754.42 is: 25,121.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,351.71 : 72,497.72 = 16,754.42 : x
  2. Step 2: Convert to fraction form
    48,351.71/72,497.72 = 16,754.42/x
  3. Step 3: Cross multiply
    48,351.71x = 72,497.72 × 16,754.42
  4. Step 4: Simplify right side
    48,351.71x = 1,214,657,473.05
  5. Step 5: Solve for x
    x = 1,214,657,473.05/48,351.71
  6. Step 6: Final answer
    x = 25,121.29

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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.