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Finding the Fourth Proportional to 7,207.62, 9,946.52 and 3,895.62

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Solution

The fourth proportional to 7,207.62, 9,946.52 and 3,895.62 is: 5,375.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.62 : 9,946.52 = 3,895.62 : x
  2. Step 2: Convert to fraction form
    7,207.62/9,946.52 = 3,895.62/x
  3. Step 3: Cross multiply
    7,207.62x = 9,946.52 × 3,895.62
  4. Step 4: Simplify right side
    7,207.62x = 38,747,862.24
  5. Step 5: Solve for x
    x = 38,747,862.24/7,207.62
  6. Step 6: Final answer
    x = 5,375.96

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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.