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Finding the Fourth Proportional to 3,063.69, 4,595.54 and 755.19

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Solution

The fourth proportional to 3,063.69, 4,595.54 and 755.19 is: 1,132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063.69 : 4,595.54 = 755.19 : x
  2. Step 2: Convert to fraction form
    3,063.69/4,595.54 = 755.19/x
  3. Step 3: Cross multiply
    3,063.69x = 4,595.54 × 755.19
  4. Step 4: Simplify right side
    3,063.69x = 3,470,505.85
  5. Step 5: Solve for x
    x = 3,470,505.85/3,063.69
  6. Step 6: Final answer
    x = 1,132.79

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Similar ratio
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1.5x scale

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.