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Finding the Fourth Proportional to 7,307.59, 10,963.22 and 4,191.12

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Solution

The fourth proportional to 7,307.59, 10,963.22 and 4,191.12 is: 6,287.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.59 : 10,963.22 = 4,191.12 : x
  2. Step 2: Convert to fraction form
    7,307.59/10,963.22 = 4,191.12/x
  3. Step 3: Cross multiply
    7,307.59x = 10,963.22 × 4,191.12
  4. Step 4: Simplify right side
    7,307.59x = 45,948,170.61
  5. Step 5: Solve for x
    x = 45,948,170.61/7,307.59
  6. Step 6: Final answer
    x = 6,287.73

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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.