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Finding the Fourth Proportional to 1,174.92, 1,620.27 and 895.17

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Solution

The fourth proportional to 1,174.92, 1,620.27 and 895.17 is: 1,234.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.92 : 1,620.27 = 895.17 : x
  2. Step 2: Convert to fraction form
    1,174.92/1,620.27 = 895.17/x
  3. Step 3: Cross multiply
    1,174.92x = 1,620.27 × 895.17
  4. Step 4: Simplify right side
    1,174.92x = 1,450,417.10
  5. Step 5: Solve for x
    x = 1,450,417.10/1,174.92
  6. Step 6: Final answer
    x = 1,234.48

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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.