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Finding the Fourth Proportional to 1,741.26, 2,613.33 and 715.98

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Solution

The fourth proportional to 1,741.26, 2,613.33 and 715.98 is: 1,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.26 : 2,613.33 = 715.98 : x
  2. Step 2: Convert to fraction form
    1,741.26/2,613.33 = 715.98/x
  3. Step 3: Cross multiply
    1,741.26x = 2,613.33 × 715.98
  4. Step 4: Simplify right side
    1,741.26x = 1,871,092.01
  5. Step 5: Solve for x
    x = 1,871,092.01/1,741.26
  6. Step 6: Final answer
    x = 1,074.56

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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.