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Finding the Fourth Proportional to 41,153.87, 61,702.72 and 19,795.31

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Solution

The fourth proportional to 41,153.87, 61,702.72 and 19,795.31 is: 29,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,153.87 : 61,702.72 = 19,795.31 : x
  2. Step 2: Convert to fraction form
    41,153.87/61,702.72 = 19,795.31/x
  3. Step 3: Cross multiply
    41,153.87x = 61,702.72 × 19,795.31
  4. Step 4: Simplify right side
    41,153.87x = 1,221,424,112.24
  5. Step 5: Solve for x
    x = 1,221,424,112.24/41,153.87
  6. Step 6: Final answer
    x = 29,679.45

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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.