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Finding the Fourth Proportional to 7,010.28, 10,515.42 and 2,393.28

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Solution

The fourth proportional to 7,010.28, 10,515.42 and 2,393.28 is: 3,589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.28 : 10,515.42 = 2,393.28 : x
  2. Step 2: Convert to fraction form
    7,010.28/10,515.42 = 2,393.28/x
  3. Step 3: Cross multiply
    7,010.28x = 10,515.42 × 2,393.28
  4. Step 4: Simplify right side
    7,010.28x = 25,166,344.38
  5. Step 5: Solve for x
    x = 25,166,344.38/7,010.28
  6. Step 6: Final answer
    x = 3,589.92

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Double scale
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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.