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Finding the Fourth Proportional to 2,482.79, 3,716.88 and 1,959.12

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Solution

The fourth proportional to 2,482.79, 3,716.88 and 1,959.12 is: 2,932.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.79 : 3,716.88 = 1,959.12 : x
  2. Step 2: Convert to fraction form
    2,482.79/3,716.88 = 1,959.12/x
  3. Step 3: Cross multiply
    2,482.79x = 3,716.88 × 1,959.12
  4. Step 4: Simplify right side
    2,482.79x = 7,281,813.95
  5. Step 5: Solve for x
    x = 7,281,813.95/2,482.79
  6. Step 6: Final answer
    x = 2,932.92

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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.