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Finding the Fourth Proportional to 2,951.16, 4,425.02 and 1,489.56

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Solution

The fourth proportional to 2,951.16, 4,425.02 and 1,489.56 is: 2,233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.16 : 4,425.02 = 1,489.56 : x
  2. Step 2: Convert to fraction form
    2,951.16/4,425.02 = 1,489.56/x
  3. Step 3: Cross multiply
    2,951.16x = 4,425.02 × 1,489.56
  4. Step 4: Simplify right side
    2,951.16x = 6,591,332.79
  5. Step 5: Solve for x
    x = 6,591,332.79/2,951.16
  6. Step 6: Final answer
    x = 2,233.47

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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.