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Finding the Fourth Proportional to 6,809.50, 9,397.11 and 4,329.82

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Solution

The fourth proportional to 6,809.50, 9,397.11 and 4,329.82 is: 5,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.50 : 9,397.11 = 4,329.82 : x
  2. Step 2: Convert to fraction form
    6,809.50/9,397.11 = 4,329.82/x
  3. Step 3: Cross multiply
    6,809.50x = 9,397.11 × 4,329.82
  4. Step 4: Simplify right side
    6,809.50x = 40,687,794.82
  5. Step 5: Solve for x
    x = 40,687,794.82/6,809.50
  6. Step 6: Final answer
    x = 5,975.15

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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.