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Finding the Fourth Proportional to 741.96, 1,114.92 and 695.25

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Solution

The fourth proportional to 741.96, 1,114.92 and 695.25 is: 1,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    741.96 : 1,114.92 = 695.25 : x
  2. Step 2: Convert to fraction form
    741.96/1,114.92 = 695.25/x
  3. Step 3: Cross multiply
    741.96x = 1,114.92 × 695.25
  4. Step 4: Simplify right side
    741.96x = 775,148.13
  5. Step 5: Solve for x
    x = 775,148.13/741.96
  6. Step 6: Final answer
    x = 1,044.73

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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.