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Finding the Fourth Proportional to 10,243.46, 15,372.04 and 4,401.48

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Solution

The fourth proportional to 10,243.46, 15,372.04 and 4,401.48 is: 6,605.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.46 : 15,372.04 = 4,401.48 : x
  2. Step 2: Convert to fraction form
    10,243.46/15,372.04 = 4,401.48/x
  3. Step 3: Cross multiply
    10,243.46x = 15,372.04 × 4,401.48
  4. Step 4: Simplify right side
    10,243.46x = 67,659,726.62
  5. Step 5: Solve for x
    x = 67,659,726.62/10,243.46
  6. Step 6: Final answer
    x = 6,605.16

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1.5x scale

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.