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Finding the Fourth Proportional to 61,850, 92,787.62 and 26,311.24

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Solution

The fourth proportional to 61,850, 92,787.62 and 26,311.24 is: 39,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,850 : 92,787.62 = 26,311.24 : x
  2. Step 2: Convert to fraction form
    61,850/92,787.62 = 26,311.24/x
  3. Step 3: Cross multiply
    61,850x = 92,787.62 × 26,311.24
  4. Step 4: Simplify right side
    61,850x = 2,441,357,338.85
  5. Step 5: Solve for x
    x = 2,441,357,338.85/61,850
  6. Step 6: Final answer
    x = 39,472.23

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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.