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Finding the Fourth Proportional to 7,295.40, 10,067.34 and 3,983.40

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Solution

The fourth proportional to 7,295.40, 10,067.34 and 3,983.40 is: 5,496.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.40 : 10,067.34 = 3,983.40 : x
  2. Step 2: Convert to fraction form
    7,295.40/10,067.34 = 3,983.40/x
  3. Step 3: Cross multiply
    7,295.40x = 10,067.34 × 3,983.40
  4. Step 4: Simplify right side
    7,295.40x = 40,102,242.16
  5. Step 5: Solve for x
    x = 40,102,242.16/7,295.40
  6. Step 6: Final answer
    x = 5,496.92

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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.