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Finding the Fourth Proportional to 7,307.67, 10,961.61 and 2,113.56

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Solution

The fourth proportional to 7,307.67, 10,961.61 and 2,113.56 is: 3,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.67 : 10,961.61 = 2,113.56 : x
  2. Step 2: Convert to fraction form
    7,307.67/10,961.61 = 2,113.56/x
  3. Step 3: Cross multiply
    7,307.67x = 10,961.61 × 2,113.56
  4. Step 4: Simplify right side
    7,307.67x = 23,168,020.43
  5. Step 5: Solve for x
    x = 23,168,020.43/7,307.67
  6. Step 6: Final answer
    x = 3,170.37

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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.