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Finding the Fourth Proportional to 45,959.68, 63,419.88 and 25,812

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Solution

The fourth proportional to 45,959.68, 63,419.88 and 25,812 is: 35,618.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,959.68 : 63,419.88 = 25,812 : x
  2. Step 2: Convert to fraction form
    45,959.68/63,419.88 = 25,812/x
  3. Step 3: Cross multiply
    45,959.68x = 63,419.88 × 25,812
  4. Step 4: Simplify right side
    45,959.68x = 1,636,993,942.56
  5. Step 5: Solve for x
    x = 1,636,993,942.56/45,959.68
  6. Step 6: Final answer
    x = 35,618.04

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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.