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Finding the Fourth Proportional to 7,995.68, 11,024.72 and 6,499.04

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Solution

The fourth proportional to 7,995.68, 11,024.72 and 6,499.04 is: 8,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.68 : 11,024.72 = 6,499.04 : x
  2. Step 2: Convert to fraction form
    7,995.68/11,024.72 = 6,499.04/x
  3. Step 3: Cross multiply
    7,995.68x = 11,024.72 × 6,499.04
  4. Step 4: Simplify right side
    7,995.68x = 71,650,096.27
  5. Step 5: Solve for x
    x = 71,650,096.27/7,995.68
  6. Step 6: Final answer
    x = 8,961.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.