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Finding the Fourth Proportional to 1,774.18, 2,660.86 and 733.16

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Solution

The fourth proportional to 1,774.18, 2,660.86 and 733.16 is: 1,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.18 : 2,660.86 = 733.16 : x
  2. Step 2: Convert to fraction form
    1,774.18/2,660.86 = 733.16/x
  3. Step 3: Cross multiply
    1,774.18x = 2,660.86 × 733.16
  4. Step 4: Simplify right side
    1,774.18x = 1,950,836.12
  5. Step 5: Solve for x
    x = 1,950,836.12/1,774.18
  6. Step 6: Final answer
    x = 1,099.57

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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.