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Finding the Fourth Proportional to 41,007.80, 61,425.30 and 34,095.80

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Solution

The fourth proportional to 41,007.80, 61,425.30 and 34,095.80 is: 51,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,007.80 : 61,425.30 = 34,095.80 : x
  2. Step 2: Convert to fraction form
    41,007.80/61,425.30 = 34,095.80/x
  3. Step 3: Cross multiply
    41,007.80x = 61,425.30 × 34,095.80
  4. Step 4: Simplify right side
    41,007.80x = 2,094,344,743.74
  5. Step 5: Solve for x
    x = 2,094,344,743.74/41,007.80
  6. Step 6: Final answer
    x = 51,071.86

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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.