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Finding the Fourth Proportional to 8,760.16, 13,144.08 and 3,831.04

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Solution

The fourth proportional to 8,760.16, 13,144.08 and 3,831.04 is: 5,748.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.16 : 13,144.08 = 3,831.04 : x
  2. Step 2: Convert to fraction form
    8,760.16/13,144.08 = 3,831.04/x
  3. Step 3: Cross multiply
    8,760.16x = 13,144.08 × 3,831.04
  4. Step 4: Simplify right side
    8,760.16x = 50,355,496.24
  5. Step 5: Solve for x
    x = 50,355,496.24/8,760.16
  6. Step 6: Final answer
    x = 5,748.24

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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.