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Finding the Fourth Proportional to 7,709.97, 11,552.84 and 5,959.25

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Solution

The fourth proportional to 7,709.97, 11,552.84 and 5,959.25 is: 8,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.97 : 11,552.84 = 5,959.25 : x
  2. Step 2: Convert to fraction form
    7,709.97/11,552.84 = 5,959.25/x
  3. Step 3: Cross multiply
    7,709.97x = 11,552.84 × 5,959.25
  4. Step 4: Simplify right side
    7,709.97x = 68,846,260.86
  5. Step 5: Solve for x
    x = 68,846,260.86/7,709.97
  6. Step 6: Final answer
    x = 8,929.51

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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.