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Finding the Fourth Proportional to 7,008.54, 10,512.81 and 3,932.70

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Solution

The fourth proportional to 7,008.54, 10,512.81 and 3,932.70 is: 5,899.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.54 : 10,512.81 = 3,932.70 : x
  2. Step 2: Convert to fraction form
    7,008.54/10,512.81 = 3,932.70/x
  3. Step 3: Cross multiply
    7,008.54x = 10,512.81 × 3,932.70
  4. Step 4: Simplify right side
    7,008.54x = 41,343,727.89
  5. Step 5: Solve for x
    x = 41,343,727.89/7,008.54
  6. Step 6: Final answer
    x = 5,899.05

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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.