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Finding the Fourth Proportional to 1,862.93, 2,793.77 and 1,740.09

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Solution

The fourth proportional to 1,862.93, 2,793.77 and 1,740.09 is: 2,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.93 : 2,793.77 = 1,740.09 : x
  2. Step 2: Convert to fraction form
    1,862.93/2,793.77 = 1,740.09/x
  3. Step 3: Cross multiply
    1,862.93x = 2,793.77 × 1,740.09
  4. Step 4: Simplify right side
    1,862.93x = 4,861,402.54
  5. Step 5: Solve for x
    x = 4,861,402.54/1,862.93
  6. Step 6: Final answer
    x = 2,609.55

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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.