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Finding the Fourth Proportional to 6,640.72, 9,947.88 and 6,096.40

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Solution

The fourth proportional to 6,640.72, 9,947.88 and 6,096.40 is: 9,132.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.72 : 9,947.88 = 6,096.40 : x
  2. Step 2: Convert to fraction form
    6,640.72/9,947.88 = 6,096.40/x
  3. Step 3: Cross multiply
    6,640.72x = 9,947.88 × 6,096.40
  4. Step 4: Simplify right side
    6,640.72x = 60,646,255.63
  5. Step 5: Solve for x
    x = 60,646,255.63/6,640.72
  6. Step 6: Final answer
    x = 9,132.48

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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.