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Finding the Fourth Proportional to 7,281.99, 10,920.22 and 2,601.14

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Solution

The fourth proportional to 7,281.99, 10,920.22 and 2,601.14 is: 3,900.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.99 : 10,920.22 = 2,601.14 : x
  2. Step 2: Convert to fraction form
    7,281.99/10,920.22 = 2,601.14/x
  3. Step 3: Cross multiply
    7,281.99x = 10,920.22 × 2,601.14
  4. Step 4: Simplify right side
    7,281.99x = 28,404,959.95
  5. Step 5: Solve for x
    x = 28,404,959.95/7,281.99
  6. Step 6: Final answer
    x = 3,900.71

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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.