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Finding the Fourth Proportional to 1,168.28, 1,752.36 and 591.14

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Solution

The fourth proportional to 1,168.28, 1,752.36 and 591.14 is: 886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.28 : 1,752.36 = 591.14 : x
  2. Step 2: Convert to fraction form
    1,168.28/1,752.36 = 591.14/x
  3. Step 3: Cross multiply
    1,168.28x = 1,752.36 × 591.14
  4. Step 4: Simplify right side
    1,168.28x = 1,035,890.09
  5. Step 5: Solve for x
    x = 1,035,890.09/1,168.28
  6. Step 6: Final answer
    x = 886.68

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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.