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Finding the Fourth Proportional to 1,718.98, 2,372.22 and 1,010.65

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Solution

The fourth proportional to 1,718.98, 2,372.22 and 1,010.65 is: 1,394.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.98 : 2,372.22 = 1,010.65 : x
  2. Step 2: Convert to fraction form
    1,718.98/2,372.22 = 1,010.65/x
  3. Step 3: Cross multiply
    1,718.98x = 2,372.22 × 1,010.65
  4. Step 4: Simplify right side
    1,718.98x = 2,397,484.14
  5. Step 5: Solve for x
    x = 2,397,484.14/1,718.98
  6. Step 6: Final answer
    x = 1,394.71

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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.