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Finding the Fourth Proportional to 2,691.52, 4,030.24 and 2,073.76

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Solution

The fourth proportional to 2,691.52, 4,030.24 and 2,073.76 is: 3,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.52 : 4,030.24 = 2,073.76 : x
  2. Step 2: Convert to fraction form
    2,691.52/4,030.24 = 2,073.76/x
  3. Step 3: Cross multiply
    2,691.52x = 4,030.24 × 2,073.76
  4. Step 4: Simplify right side
    2,691.52x = 8,357,750.50
  5. Step 5: Solve for x
    x = 8,357,750.50/2,691.52
  6. Step 6: Final answer
    x = 3,105.22

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1.5x scale

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.