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Finding the Fourth Proportional to 15,110.52, 20,851.02 and 8,822.04

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Solution

The fourth proportional to 15,110.52, 20,851.02 and 8,822.04 is: 12,173.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.52 : 20,851.02 = 8,822.04 : x
  2. Step 2: Convert to fraction form
    15,110.52/20,851.02 = 8,822.04/x
  3. Step 3: Cross multiply
    15,110.52x = 20,851.02 × 8,822.04
  4. Step 4: Simplify right side
    15,110.52x = 183,948,532.48
  5. Step 5: Solve for x
    x = 183,948,532.48/15,110.52
  6. Step 6: Final answer
    x = 12,173.54

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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.