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Finding the Fourth Proportional to 41,672.76, 62,509.14 and 18,299.40

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Solution

The fourth proportional to 41,672.76, 62,509.14 and 18,299.40 is: 27,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,672.76 : 62,509.14 = 18,299.40 : x
  2. Step 2: Convert to fraction form
    41,672.76/62,509.14 = 18,299.40/x
  3. Step 3: Cross multiply
    41,672.76x = 62,509.14 × 18,299.40
  4. Step 4: Simplify right side
    41,672.76x = 1,143,879,756.52
  5. Step 5: Solve for x
    x = 1,143,879,756.52/41,672.76
  6. Step 6: Final answer
    x = 27,449.10

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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.