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Finding the Fourth Proportional to 18,793.16, 25,934.93 and 10,295.28

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Solution

The fourth proportional to 18,793.16, 25,934.93 and 10,295.28 is: 14,207.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,793.16 : 25,934.93 = 10,295.28 : x
  2. Step 2: Convert to fraction form
    18,793.16/25,934.93 = 10,295.28/x
  3. Step 3: Cross multiply
    18,793.16x = 25,934.93 × 10,295.28
  4. Step 4: Simplify right side
    18,793.16x = 267,007,366.13
  5. Step 5: Solve for x
    x = 267,007,366.13/18,793.16
  6. Step 6: Final answer
    x = 14,207.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.