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Finding the Fourth Proportional to 6,591.76, 9,096.76 and 3,939.17

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Solution

The fourth proportional to 6,591.76, 9,096.76 and 3,939.17 is: 5,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,591.76 : 9,096.76 = 3,939.17 : x
  2. Step 2: Convert to fraction form
    6,591.76/9,096.76 = 3,939.17/x
  3. Step 3: Cross multiply
    6,591.76x = 9,096.76 × 3,939.17
  4. Step 4: Simplify right side
    6,591.76x = 35,833,684.09
  5. Step 5: Solve for x
    x = 35,833,684.09/6,591.76
  6. Step 6: Final answer
    x = 5,436.13

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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.