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Finding the Fourth Proportional to 41,140.86, 61,713.43 and 13,063.11

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Solution

The fourth proportional to 41,140.86, 61,713.43 and 13,063.11 is: 19,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,140.86 : 61,713.43 = 13,063.11 : x
  2. Step 2: Convert to fraction form
    41,140.86/61,713.43 = 13,063.11/x
  3. Step 3: Cross multiply
    41,140.86x = 61,713.43 × 13,063.11
  4. Step 4: Simplify right side
    41,140.86x = 806,169,324.57
  5. Step 5: Solve for x
    x = 806,169,324.57/41,140.86
  6. Step 6: Final answer
    x = 19,595.34

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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.