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Finding the Fourth Proportional to 7,295.16, 10,067.28 and 3,983.16

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Solution

The fourth proportional to 7,295.16, 10,067.28 and 3,983.16 is: 5,496.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.16 : 10,067.28 = 3,983.16 : x
  2. Step 2: Convert to fraction form
    7,295.16/10,067.28 = 3,983.16/x
  3. Step 3: Cross multiply
    7,295.16x = 10,067.28 × 3,983.16
  4. Step 4: Simplify right side
    7,295.16x = 40,099,587.00
  5. Step 5: Solve for x
    x = 40,099,587.00/7,295.16
  6. Step 6: Final answer
    x = 5,496.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.