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Finding the Fourth Proportional to 6,887.25, 10,330.88 and 2,270.25

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Solution

The fourth proportional to 6,887.25, 10,330.88 and 2,270.25 is: 3,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.25 : 10,330.88 = 2,270.25 : x
  2. Step 2: Convert to fraction form
    6,887.25/10,330.88 = 2,270.25/x
  3. Step 3: Cross multiply
    6,887.25x = 10,330.88 × 2,270.25
  4. Step 4: Simplify right side
    6,887.25x = 23,453,668.97
  5. Step 5: Solve for x
    x = 23,453,668.97/6,887.25
  6. Step 6: Final answer
    x = 3,405.38

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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.