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Finding the Fourth Proportional to 8,802.88, 13,204.79 and 2,229.12

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Solution

The fourth proportional to 8,802.88, 13,204.79 and 2,229.12 is: 3,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.88 : 13,204.79 = 2,229.12 : x
  2. Step 2: Convert to fraction form
    8,802.88/13,204.79 = 2,229.12/x
  3. Step 3: Cross multiply
    8,802.88x = 13,204.79 × 2,229.12
  4. Step 4: Simplify right side
    8,802.88x = 29,435,061.48
  5. Step 5: Solve for x
    x = 29,435,061.48/8,802.88
  6. Step 6: Final answer
    x = 3,343.80

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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.