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Finding the Fourth Proportional to 4,934.88, 7,402.24 and 1,648.20

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Solution

The fourth proportional to 4,934.88, 7,402.24 and 1,648.20 is: 2,472.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,934.88 : 7,402.24 = 1,648.20 : x
  2. Step 2: Convert to fraction form
    4,934.88/7,402.24 = 1,648.20/x
  3. Step 3: Cross multiply
    4,934.88x = 7,402.24 × 1,648.20
  4. Step 4: Simplify right side
    4,934.88x = 12,200,371.97
  5. Step 5: Solve for x
    x = 12,200,371.97/4,934.88
  6. Step 6: Final answer
    x = 2,472.27

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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.