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Finding the Fourth Proportional to 6,715.92, 10,060.92 and 3,255.60

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Solution

The fourth proportional to 6,715.92, 10,060.92 and 3,255.60 is: 4,877.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.92 : 10,060.92 = 3,255.60 : x
  2. Step 2: Convert to fraction form
    6,715.92/10,060.92 = 3,255.60/x
  3. Step 3: Cross multiply
    6,715.92x = 10,060.92 × 3,255.60
  4. Step 4: Simplify right side
    6,715.92x = 32,754,331.15
  5. Step 5: Solve for x
    x = 32,754,331.15/6,715.92
  6. Step 6: Final answer
    x = 4,877.12

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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.