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Finding the Fourth Proportional to 19,223.52, 28,836.42 and 5,372.52

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Solution

The fourth proportional to 19,223.52, 28,836.42 and 5,372.52 is: 8,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.52 : 28,836.42 = 5,372.52 : x
  2. Step 2: Convert to fraction form
    19,223.52/28,836.42 = 5,372.52/x
  3. Step 3: Cross multiply
    19,223.52x = 28,836.42 × 5,372.52
  4. Step 4: Simplify right side
    19,223.52x = 154,924,243.18
  5. Step 5: Solve for x
    x = 154,924,243.18/19,223.52
  6. Step 6: Final answer
    x = 8,059.10

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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.