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Finding the Fourth Proportional to 41,099.02, 61,668.03 and 28,468.20

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Solution

The fourth proportional to 41,099.02, 61,668.03 and 28,468.20 is: 42,715.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,099.02 : 61,668.03 = 28,468.20 : x
  2. Step 2: Convert to fraction form
    41,099.02/61,668.03 = 28,468.20/x
  3. Step 3: Cross multiply
    41,099.02x = 61,668.03 × 28,468.20
  4. Step 4: Simplify right side
    41,099.02x = 1,755,577,811.65
  5. Step 5: Solve for x
    x = 1,755,577,811.65/41,099.02
  6. Step 6: Final answer
    x = 42,715.81

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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.