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Finding the Fourth Proportional to 7,951.76, 10,961.69 and 6,060.05

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Solution

The fourth proportional to 7,951.76, 10,961.69 and 6,060.05 is: 8,353.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.76 : 10,961.69 = 6,060.05 : x
  2. Step 2: Convert to fraction form
    7,951.76/10,961.69 = 6,060.05/x
  3. Step 3: Cross multiply
    7,951.76x = 10,961.69 × 6,060.05
  4. Step 4: Simplify right side
    7,951.76x = 66,428,389.48
  5. Step 5: Solve for x
    x = 66,428,389.48/7,951.76
  6. Step 6: Final answer
    x = 8,353.92

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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.