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Finding the Fourth Proportional to 41,145.52, 61,682.22 and 19,787.53

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Solution

The fourth proportional to 41,145.52, 61,682.22 and 19,787.53 is: 29,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,145.52 : 61,682.22 = 19,787.53 : x
  2. Step 2: Convert to fraction form
    41,145.52/61,682.22 = 19,787.53/x
  3. Step 3: Cross multiply
    41,145.52x = 61,682.22 × 19,787.53
  4. Step 4: Simplify right side
    41,145.52x = 1,220,538,583.06
  5. Step 5: Solve for x
    x = 1,220,538,583.06/41,145.52
  6. Step 6: Final answer
    x = 29,663.95

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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.