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Finding the Fourth Proportional to 1,718.63, 2,372.28 and 1,010.44

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Solution

The fourth proportional to 1,718.63, 2,372.28 and 1,010.44 is: 1,394.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.63 : 2,372.28 = 1,010.44 : x
  2. Step 2: Convert to fraction form
    1,718.63/2,372.28 = 1,010.44/x
  3. Step 3: Cross multiply
    1,718.63x = 2,372.28 × 1,010.44
  4. Step 4: Simplify right side
    1,718.63x = 2,397,044.53
  5. Step 5: Solve for x
    x = 2,397,044.53/1,718.63
  6. Step 6: Final answer
    x = 1,394.74

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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.