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Finding the Fourth Proportional to 6,542.74, 9,812.62 and 1,862.65

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Solution

The fourth proportional to 6,542.74, 9,812.62 and 1,862.65 is: 2,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.74 : 9,812.62 = 1,862.65 : x
  2. Step 2: Convert to fraction form
    6,542.74/9,812.62 = 1,862.65/x
  3. Step 3: Cross multiply
    6,542.74x = 9,812.62 × 1,862.65
  4. Step 4: Simplify right side
    6,542.74x = 18,277,476.64
  5. Step 5: Solve for x
    x = 18,277,476.64/6,542.74
  6. Step 6: Final answer
    x = 2,793.55

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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.