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Finding the Fourth Proportional to 1,593.64, 2,198.10 and 1,068.76

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Solution

The fourth proportional to 1,593.64, 2,198.10 and 1,068.76 is: 1,474.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.64 : 2,198.10 = 1,068.76 : x
  2. Step 2: Convert to fraction form
    1,593.64/2,198.10 = 1,068.76/x
  3. Step 3: Cross multiply
    1,593.64x = 2,198.10 × 1,068.76
  4. Step 4: Simplify right side
    1,593.64x = 2,349,241.36
  5. Step 5: Solve for x
    x = 2,349,241.36/1,593.64
  6. Step 6: Final answer
    x = 1,474.14

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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.