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Finding the Fourth Proportional to 2,591.52, 3,887.84 and 1,496

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Solution

The fourth proportional to 2,591.52, 3,887.84 and 1,496 is: 2,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.52 : 3,887.84 = 1,496 : x
  2. Step 2: Convert to fraction form
    2,591.52/3,887.84 = 1,496/x
  3. Step 3: Cross multiply
    2,591.52x = 3,887.84 × 1,496
  4. Step 4: Simplify right side
    2,591.52x = 5,816,208.64
  5. Step 5: Solve for x
    x = 5,816,208.64/2,591.52
  6. Step 6: Final answer
    x = 2,244.32

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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.