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Finding the Fourth Proportional to 7,799.79, 11,697.97 and 2,251.94

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Solution

The fourth proportional to 7,799.79, 11,697.97 and 2,251.94 is: 3,377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.79 : 11,697.97 = 2,251.94 : x
  2. Step 2: Convert to fraction form
    7,799.79/11,697.97 = 2,251.94/x
  3. Step 3: Cross multiply
    7,799.79x = 11,697.97 × 2,251.94
  4. Step 4: Simplify right side
    7,799.79x = 26,343,066.66
  5. Step 5: Solve for x
    x = 26,343,066.66/7,799.79
  6. Step 6: Final answer
    x = 3,377.41

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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.