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Finding the Fourth Proportional to 4,932.33, 6,808.04 and 3,139.87

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Solution

The fourth proportional to 4,932.33, 6,808.04 and 3,139.87 is: 4,333.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.33 : 6,808.04 = 3,139.87 : x
  2. Step 2: Convert to fraction form
    4,932.33/6,808.04 = 3,139.87/x
  3. Step 3: Cross multiply
    4,932.33x = 6,808.04 × 3,139.87
  4. Step 4: Simplify right side
    4,932.33x = 21,376,338.39
  5. Step 5: Solve for x
    x = 21,376,338.39/4,932.33
  6. Step 6: Final answer
    x = 4,333.92

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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.