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Finding the Fourth Proportional to 3,122.52, 4,663.52 and 2,829.44

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Solution

The fourth proportional to 3,122.52, 4,663.52 and 2,829.44 is: 4,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.52 : 4,663.52 = 2,829.44 : x
  2. Step 2: Convert to fraction form
    3,122.52/4,663.52 = 2,829.44/x
  3. Step 3: Cross multiply
    3,122.52x = 4,663.52 × 2,829.44
  4. Step 4: Simplify right side
    3,122.52x = 13,195,112.56
  5. Step 5: Solve for x
    x = 13,195,112.56/3,122.52
  6. Step 6: Final answer
    x = 4,225.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.