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Finding the Fourth Proportional to 5,298.46, 7,947.62 and 1,600.76

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Solution

The fourth proportional to 5,298.46, 7,947.62 and 1,600.76 is: 2,401.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.46 : 7,947.62 = 1,600.76 : x
  2. Step 2: Convert to fraction form
    5,298.46/7,947.62 = 1,600.76/x
  3. Step 3: Cross multiply
    5,298.46x = 7,947.62 × 1,600.76
  4. Step 4: Simplify right side
    5,298.46x = 12,722,250.06
  5. Step 5: Solve for x
    x = 12,722,250.06/5,298.46
  6. Step 6: Final answer
    x = 2,401.12

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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.