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Finding the Fourth Proportional to 4,641.84, 6,959.19 and 1,519.95

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Solution

The fourth proportional to 4,641.84, 6,959.19 and 1,519.95 is: 2,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,641.84 : 6,959.19 = 1,519.95 : x
  2. Step 2: Convert to fraction form
    4,641.84/6,959.19 = 1,519.95/x
  3. Step 3: Cross multiply
    4,641.84x = 6,959.19 × 1,519.95
  4. Step 4: Simplify right side
    4,641.84x = 10,577,620.84
  5. Step 5: Solve for x
    x = 10,577,620.84/4,641.84
  6. Step 6: Final answer
    x = 2,278.76

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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.