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Finding the Fourth Proportional to 7,329.91, 10,994.88 and 2,649.90

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Solution

The fourth proportional to 7,329.91, 10,994.88 and 2,649.90 is: 3,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.91 : 10,994.88 = 2,649.90 : x
  2. Step 2: Convert to fraction form
    7,329.91/10,994.88 = 2,649.90/x
  3. Step 3: Cross multiply
    7,329.91x = 10,994.88 × 2,649.90
  4. Step 4: Simplify right side
    7,329.91x = 29,135,332.51
  5. Step 5: Solve for x
    x = 29,135,332.51/7,329.91
  6. Step 6: Final answer
    x = 3,974.86

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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.