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Finding the Fourth Proportional to 5,578.79, 8,362.80 and 2,067.84

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Solution

The fourth proportional to 5,578.79, 8,362.80 and 2,067.84 is: 3,099.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.79 : 8,362.80 = 2,067.84 : x
  2. Step 2: Convert to fraction form
    5,578.79/8,362.80 = 2,067.84/x
  3. Step 3: Cross multiply
    5,578.79x = 8,362.80 × 2,067.84
  4. Step 4: Simplify right side
    5,578.79x = 17,292,953.26
  5. Step 5: Solve for x
    x = 17,292,953.26/5,578.79
  6. Step 6: Final answer
    x = 3,099.77

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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.