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Finding the Fourth Proportional to 7,341.75, 11,012.64 and 3,237.75

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Solution

The fourth proportional to 7,341.75, 11,012.64 and 3,237.75 is: 4,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.75 : 11,012.64 = 3,237.75 : x
  2. Step 2: Convert to fraction form
    7,341.75/11,012.64 = 3,237.75/x
  3. Step 3: Cross multiply
    7,341.75x = 11,012.64 × 3,237.75
  4. Step 4: Simplify right side
    7,341.75x = 35,656,175.16
  5. Step 5: Solve for x
    x = 35,656,175.16/7,341.75
  6. Step 6: Final answer
    x = 4,856.63

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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.