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Finding the Fourth Proportional to 2,187.52, 3,023.04 and 1,793.68

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Solution

The fourth proportional to 2,187.52, 3,023.04 and 1,793.68 is: 2,478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.52 : 3,023.04 = 1,793.68 : x
  2. Step 2: Convert to fraction form
    2,187.52/3,023.04 = 1,793.68/x
  3. Step 3: Cross multiply
    2,187.52x = 3,023.04 × 1,793.68
  4. Step 4: Simplify right side
    2,187.52x = 5,422,366.39
  5. Step 5: Solve for x
    x = 5,422,366.39/2,187.52
  6. Step 6: Final answer
    x = 2,478.77

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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.