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Finding the Fourth Proportional to 19,253.88, 28,891.50 and 9,393.24

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Solution

The fourth proportional to 19,253.88, 28,891.50 and 9,393.24 is: 14,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.88 : 28,891.50 = 9,393.24 : x
  2. Step 2: Convert to fraction form
    19,253.88/28,891.50 = 9,393.24/x
  3. Step 3: Cross multiply
    19,253.88x = 28,891.50 × 9,393.24
  4. Step 4: Simplify right side
    19,253.88x = 271,384,793.46
  5. Step 5: Solve for x
    x = 271,384,793.46/19,253.88
  6. Step 6: Final answer
    x = 14,095.07

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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.