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Finding the Fourth Proportional to 62,836, 94,278.24 and 21,282.88

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Solution

The fourth proportional to 62,836, 94,278.24 and 21,282.88 is: 31,932.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,836 : 94,278.24 = 21,282.88 : x
  2. Step 2: Convert to fraction form
    62,836/94,278.24 = 21,282.88/x
  3. Step 3: Cross multiply
    62,836x = 94,278.24 × 21,282.88
  4. Step 4: Simplify right side
    62,836x = 2,006,512,468.53
  5. Step 5: Solve for x
    x = 2,006,512,468.53/62,836
  6. Step 6: Final answer
    x = 31,932.53

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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.