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Finding the Fourth Proportional to 18,443.50, 25,452.03 and 10,060

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Solution

The fourth proportional to 18,443.50, 25,452.03 and 10,060 is: 13,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.50 : 25,452.03 = 10,060 : x
  2. Step 2: Convert to fraction form
    18,443.50/25,452.03 = 10,060/x
  3. Step 3: Cross multiply
    18,443.50x = 25,452.03 × 10,060
  4. Step 4: Simplify right side
    18,443.50x = 256,047,421.80
  5. Step 5: Solve for x
    x = 256,047,421.80/18,443.50
  6. Step 6: Final answer
    x = 13,882.80

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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.