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Finding the Fourth Proportional to 4,617.29, 6,932.09 and 3,928.39

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Solution

The fourth proportional to 4,617.29, 6,932.09 and 3,928.39 is: 5,897.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,617.29 : 6,932.09 = 3,928.39 : x
  2. Step 2: Convert to fraction form
    4,617.29/6,932.09 = 3,928.39/x
  3. Step 3: Cross multiply
    4,617.29x = 6,932.09 × 3,928.39
  4. Step 4: Simplify right side
    4,617.29x = 27,231,953.04
  5. Step 5: Solve for x
    x = 27,231,953.04/4,617.29
  6. Step 6: Final answer
    x = 5,897.82

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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.