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Finding the Fourth Proportional to 7,278.52, 10,910.74 and 2,344.81

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Solution

The fourth proportional to 7,278.52, 10,910.74 and 2,344.81 is: 3,514.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.52 : 10,910.74 = 2,344.81 : x
  2. Step 2: Convert to fraction form
    7,278.52/10,910.74 = 2,344.81/x
  3. Step 3: Cross multiply
    7,278.52x = 10,910.74 × 2,344.81
  4. Step 4: Simplify right side
    7,278.52x = 25,583,612.26
  5. Step 5: Solve for x
    x = 25,583,612.26/7,278.52
  6. Step 6: Final answer
    x = 3,514.95

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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.