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Finding the Fourth Proportional to 27,281.67, 40,922.39 and 7,560.17

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Solution

The fourth proportional to 27,281.67, 40,922.39 and 7,560.17 is: 11,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,281.67 : 40,922.39 = 7,560.17 : x
  2. Step 2: Convert to fraction form
    27,281.67/40,922.39 = 7,560.17/x
  3. Step 3: Cross multiply
    27,281.67x = 40,922.39 × 7,560.17
  4. Step 4: Simplify right side
    27,281.67x = 309,379,982.79
  5. Step 5: Solve for x
    x = 309,379,982.79/27,281.67
  6. Step 6: Final answer
    x = 11,340.21

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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.