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Finding the Fourth Proportional to 51,167.01, 70,609.41 and 28,505.97

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Solution

The fourth proportional to 51,167.01, 70,609.41 and 28,505.97 is: 39,337.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,167.01 : 70,609.41 = 28,505.97 : x
  2. Step 2: Convert to fraction form
    51,167.01/70,609.41 = 28,505.97/x
  3. Step 3: Cross multiply
    51,167.01x = 70,609.41 × 28,505.97
  4. Step 4: Simplify right side
    51,167.01x = 2,012,789,723.18
  5. Step 5: Solve for x
    x = 2,012,789,723.18/51,167.01
  6. Step 6: Final answer
    x = 39,337.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.