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Finding the Fourth Proportional to 8,965.33, 12,372.47 and 4,932.33

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Solution

The fourth proportional to 8,965.33, 12,372.47 and 4,932.33 is: 6,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.33 : 12,372.47 = 4,932.33 : x
  2. Step 2: Convert to fraction form
    8,965.33/12,372.47 = 4,932.33/x
  3. Step 3: Cross multiply
    8,965.33x = 12,372.47 × 4,932.33
  4. Step 4: Simplify right side
    8,965.33x = 61,025,104.96
  5. Step 5: Solve for x
    x = 61,025,104.96/8,965.33
  6. Step 6: Final answer
    x = 6,806.79

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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.