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Finding the Fourth Proportional to 41,271.20, 61,903.20 and 13,569.20

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Solution

The fourth proportional to 41,271.20, 61,903.20 and 13,569.20 is: 20,352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,271.20 : 61,903.20 = 13,569.20 : x
  2. Step 2: Convert to fraction form
    41,271.20/61,903.20 = 13,569.20/x
  3. Step 3: Cross multiply
    41,271.20x = 61,903.20 × 13,569.20
  4. Step 4: Simplify right side
    41,271.20x = 839,976,901.44
  5. Step 5: Solve for x
    x = 839,976,901.44/41,271.20
  6. Step 6: Final answer
    x = 20,352.62

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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.