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Finding the Fourth Proportional to 1,583.74, 2,372.46 and 1,448.38

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Solution

The fourth proportional to 1,583.74, 2,372.46 and 1,448.38 is: 2,169.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.74 : 2,372.46 = 1,448.38 : x
  2. Step 2: Convert to fraction form
    1,583.74/2,372.46 = 1,448.38/x
  3. Step 3: Cross multiply
    1,583.74x = 2,372.46 × 1,448.38
  4. Step 4: Simplify right side
    1,583.74x = 3,436,223.61
  5. Step 5: Solve for x
    x = 3,436,223.61/1,583.74
  6. Step 6: Final answer
    x = 2,169.69

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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.