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Finding the Fourth Proportional to 27,053.38, 40,579.93 and 7,331.91

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Solution

The fourth proportional to 27,053.38, 40,579.93 and 7,331.91 is: 10,997.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,053.38 : 40,579.93 = 7,331.91 : x
  2. Step 2: Convert to fraction form
    27,053.38/40,579.93 = 7,331.91/x
  3. Step 3: Cross multiply
    27,053.38x = 40,579.93 × 7,331.91
  4. Step 4: Simplify right side
    27,053.38x = 297,528,394.57
  5. Step 5: Solve for x
    x = 297,528,394.57/27,053.38
  6. Step 6: Final answer
    x = 10,997.83

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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.