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Finding the Fourth Proportional to 3,144.92, 4,718.14 and 953.52

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Solution

The fourth proportional to 3,144.92, 4,718.14 and 953.52 is: 1,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.92 : 4,718.14 = 953.52 : x
  2. Step 2: Convert to fraction form
    3,144.92/4,718.14 = 953.52/x
  3. Step 3: Cross multiply
    3,144.92x = 4,718.14 × 953.52
  4. Step 4: Simplify right side
    3,144.92x = 4,498,840.85
  5. Step 5: Solve for x
    x = 4,498,840.85/3,144.92
  6. Step 6: Final answer
    x = 1,430.51

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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.