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Finding the Fourth Proportional to 34,787.61, 48,006.90 and 19,679.96

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Solution

The fourth proportional to 34,787.61, 48,006.90 and 19,679.96 is: 27,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,787.61 : 48,006.90 = 19,679.96 : x
  2. Step 2: Convert to fraction form
    34,787.61/48,006.90 = 19,679.96/x
  3. Step 3: Cross multiply
    34,787.61x = 48,006.90 × 19,679.96
  4. Step 4: Simplify right side
    34,787.61x = 944,773,631.69
  5. Step 5: Solve for x
    x = 944,773,631.69/34,787.61
  6. Step 6: Final answer
    x = 27,158.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.