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Finding the Fourth Proportional to 5,395.87, 8,079.76 and 5,067.51

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Solution

The fourth proportional to 5,395.87, 8,079.76 and 5,067.51 is: 7,588.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.87 : 8,079.76 = 5,067.51 : x
  2. Step 2: Convert to fraction form
    5,395.87/8,079.76 = 5,067.51/x
  3. Step 3: Cross multiply
    5,395.87x = 8,079.76 × 5,067.51
  4. Step 4: Simplify right side
    5,395.87x = 40,944,264.60
  5. Step 5: Solve for x
    x = 40,944,264.60/5,395.87
  6. Step 6: Final answer
    x = 7,588.07

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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.