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Finding the Fourth Proportional to 6,717.78, 10,078.89 and 3,597.09

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Solution

The fourth proportional to 6,717.78, 10,078.89 and 3,597.09 is: 5,396.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.78 : 10,078.89 = 3,597.09 : x
  2. Step 2: Convert to fraction form
    6,717.78/10,078.89 = 3,597.09/x
  3. Step 3: Cross multiply
    6,717.78x = 10,078.89 × 3,597.09
  4. Step 4: Simplify right side
    6,717.78x = 36,254,674.43
  5. Step 5: Solve for x
    x = 36,254,674.43/6,717.78
  6. Step 6: Final answer
    x = 5,396.82

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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.