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Finding the Fourth Proportional to 1,162.60, 1,741.32 and 795.76

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Solution

The fourth proportional to 1,162.60, 1,741.32 and 795.76 is: 1,191.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.60 : 1,741.32 = 795.76 : x
  2. Step 2: Convert to fraction form
    1,162.60/1,741.32 = 795.76/x
  3. Step 3: Cross multiply
    1,162.60x = 1,741.32 × 795.76
  4. Step 4: Simplify right side
    1,162.60x = 1,385,672.80
  5. Step 5: Solve for x
    x = 1,385,672.80/1,162.60
  6. Step 6: Final answer
    x = 1,191.87

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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.