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Finding the Fourth Proportional to 25,361.92, 38,018.04 and 10,581.04

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Solution

The fourth proportional to 25,361.92, 38,018.04 and 10,581.04 is: 15,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,361.92 : 38,018.04 = 10,581.04 : x
  2. Step 2: Convert to fraction form
    25,361.92/38,018.04 = 10,581.04/x
  3. Step 3: Cross multiply
    25,361.92x = 38,018.04 × 10,581.04
  4. Step 4: Simplify right side
    25,361.92x = 402,270,401.96
  5. Step 5: Solve for x
    x = 402,270,401.96/25,361.92
  6. Step 6: Final answer
    x = 15,861.20

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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.