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Finding the Fourth Proportional to 18,568.52, 27,851.46 and 8,710.04

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Solution

The fourth proportional to 18,568.52, 27,851.46 and 8,710.04 is: 13,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.52 : 27,851.46 = 8,710.04 : x
  2. Step 2: Convert to fraction form
    18,568.52/27,851.46 = 8,710.04/x
  3. Step 3: Cross multiply
    18,568.52x = 27,851.46 × 8,710.04
  4. Step 4: Simplify right side
    18,568.52x = 242,587,330.66
  5. Step 5: Solve for x
    x = 242,587,330.66/18,568.52
  6. Step 6: Final answer
    x = 13,064.44

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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.