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Finding the Fourth Proportional to 6,591.49, 9,887.28 and 1,974.53

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Solution

The fourth proportional to 6,591.49, 9,887.28 and 1,974.53 is: 2,961.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,591.49 : 9,887.28 = 1,974.53 : x
  2. Step 2: Convert to fraction form
    6,591.49/9,887.28 = 1,974.53/x
  3. Step 3: Cross multiply
    6,591.49x = 9,887.28 × 1,974.53
  4. Step 4: Simplify right side
    6,591.49x = 19,522,730.98
  5. Step 5: Solve for x
    x = 19,522,730.98/6,591.49
  6. Step 6: Final answer
    x = 2,961.81

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Similar ratio
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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.