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Finding the Fourth Proportional to 41,605.11, 62,423.25 and 21,602.11

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Solution

The fourth proportional to 41,605.11, 62,423.25 and 21,602.11 is: 32,411.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,605.11 : 62,423.25 = 21,602.11 : x
  2. Step 2: Convert to fraction form
    41,605.11/62,423.25 = 21,602.11/x
  3. Step 3: Cross multiply
    41,605.11x = 62,423.25 × 21,602.11
  4. Step 4: Simplify right side
    41,605.11x = 1,348,473,859.05
  5. Step 5: Solve for x
    x = 1,348,473,859.05/41,605.11
  6. Step 6: Final answer
    x = 32,411.26

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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.