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Finding the Fourth Proportional to 9,168.52, 13,745.49 and 3,970.75

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Solution

The fourth proportional to 9,168.52, 13,745.49 and 3,970.75 is: 5,952.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.52 : 13,745.49 = 3,970.75 : x
  2. Step 2: Convert to fraction form
    9,168.52/13,745.49 = 3,970.75/x
  3. Step 3: Cross multiply
    9,168.52x = 13,745.49 × 3,970.75
  4. Step 4: Simplify right side
    9,168.52x = 54,579,904.42
  5. Step 5: Solve for x
    x = 54,579,904.42/9,168.52
  6. Step 6: Final answer
    x = 5,952.97

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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.