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Finding the Fourth Proportional to 49,652.70, 68,520.78 and 26,991.96

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Solution

The fourth proportional to 49,652.70, 68,520.78 and 26,991.96 is: 37,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,652.70 : 68,520.78 = 26,991.96 : x
  2. Step 2: Convert to fraction form
    49,652.70/68,520.78 = 26,991.96/x
  3. Step 3: Cross multiply
    49,652.70x = 68,520.78 × 26,991.96
  4. Step 4: Simplify right side
    49,652.70x = 1,849,510,152.93
  5. Step 5: Solve for x
    x = 1,849,510,152.93/49,652.70
  6. Step 6: Final answer
    x = 37,248.93

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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.