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Finding the Fourth Proportional to 41,529, 62,319.42 and 16,905

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Solution

The fourth proportional to 41,529, 62,319.42 and 16,905 is: 25,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,529 : 62,319.42 = 16,905 : x
  2. Step 2: Convert to fraction form
    41,529/62,319.42 = 16,905/x
  3. Step 3: Cross multiply
    41,529x = 62,319.42 × 16,905
  4. Step 4: Simplify right side
    41,529x = 1,053,509,795.10
  5. Step 5: Solve for x
    x = 1,053,509,795.10/41,529
  6. Step 6: Final answer
    x = 25,368.05

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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.