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Finding the Fourth Proportional to 19,043.52, 28,565.36 and 6,731.52

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Solution

The fourth proportional to 19,043.52, 28,565.36 and 6,731.52 is: 10,097.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.52 : 28,565.36 = 6,731.52 : x
  2. Step 2: Convert to fraction form
    19,043.52/28,565.36 = 6,731.52/x
  3. Step 3: Cross multiply
    19,043.52x = 28,565.36 × 6,731.52
  4. Step 4: Simplify right side
    19,043.52x = 192,288,292.15
  5. Step 5: Solve for x
    x = 192,288,292.15/19,043.52
  6. Step 6: Final answer
    x = 10,097.31

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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.