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Finding the Fourth Proportional to 6,627.32, 9,945.84 and 3,711.32

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Solution

The fourth proportional to 6,627.32, 9,945.84 and 3,711.32 is: 5,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.32 : 9,945.84 = 3,711.32 : x
  2. Step 2: Convert to fraction form
    6,627.32/9,945.84 = 3,711.32/x
  3. Step 3: Cross multiply
    6,627.32x = 9,945.84 × 3,711.32
  4. Step 4: Simplify right side
    6,627.32x = 36,912,194.91
  5. Step 5: Solve for x
    x = 36,912,194.91/6,627.32
  6. Step 6: Final answer
    x = 5,569.70

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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.