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Finding the Fourth Proportional to 23,787.62, 35,671.10 and 12,691.84

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Solution

The fourth proportional to 23,787.62, 35,671.10 and 12,691.84 is: 19,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,787.62 : 35,671.10 = 12,691.84 : x
  2. Step 2: Convert to fraction form
    23,787.62/35,671.10 = 12,691.84/x
  3. Step 3: Cross multiply
    23,787.62x = 35,671.10 × 12,691.84
  4. Step 4: Simplify right side
    23,787.62x = 452,731,893.82
  5. Step 5: Solve for x
    x = 452,731,893.82/23,787.62
  6. Step 6: Final answer
    x = 19,032.25

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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.