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Finding the Fourth Proportional to 5,363.76, 7,401.92 and 3,006.48

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Solution

The fourth proportional to 5,363.76, 7,401.92 and 3,006.48 is: 4,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.76 : 7,401.92 = 3,006.48 : x
  2. Step 2: Convert to fraction form
    5,363.76/7,401.92 = 3,006.48/x
  3. Step 3: Cross multiply
    5,363.76x = 7,401.92 × 3,006.48
  4. Step 4: Simplify right side
    5,363.76x = 22,253,724.44
  5. Step 5: Solve for x
    x = 22,253,724.44/5,363.76
  6. Step 6: Final answer
    x = 4,148.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.