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Finding the Fourth Proportional to 2,417.73, 3,626.46 and 956.90

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Solution

The fourth proportional to 2,417.73, 3,626.46 and 956.90 is: 1,435.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.73 : 3,626.46 = 956.90 : x
  2. Step 2: Convert to fraction form
    2,417.73/3,626.46 = 956.90/x
  3. Step 3: Cross multiply
    2,417.73x = 3,626.46 × 956.90
  4. Step 4: Simplify right side
    2,417.73x = 3,470,141.44
  5. Step 5: Solve for x
    x = 3,470,141.44/2,417.73
  6. Step 6: Final answer
    x = 1,435.29

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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.