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Finding the Fourth Proportional to 34,787.41, 48,006.41 and 18,871.52

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Solution

The fourth proportional to 34,787.41, 48,006.41 and 18,871.52 is: 26,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,787.41 : 48,006.41 = 18,871.52 : x
  2. Step 2: Convert to fraction form
    34,787.41/48,006.41 = 18,871.52/x
  3. Step 3: Cross multiply
    34,787.41x = 48,006.41 × 18,871.52
  4. Step 4: Simplify right side
    34,787.41x = 905,953,592.05
  5. Step 5: Solve for x
    x = 905,953,592.05/34,787.41
  6. Step 6: Final answer
    x = 26,042.57

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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.