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Finding the Fourth Proportional to 19,245.68, 28,869.28 and 6,098.04

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Solution

The fourth proportional to 19,245.68, 28,869.28 and 6,098.04 is: 9,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.68 : 28,869.28 = 6,098.04 : x
  2. Step 2: Convert to fraction form
    19,245.68/28,869.28 = 6,098.04/x
  3. Step 3: Cross multiply
    19,245.68x = 28,869.28 × 6,098.04
  4. Step 4: Simplify right side
    19,245.68x = 176,046,024.21
  5. Step 5: Solve for x
    x = 176,046,024.21/19,245.68
  6. Step 6: Final answer
    x = 9,147.30

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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.