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Finding the Fourth Proportional to 27,572.72, 41,367.72 and 10,039.28

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Solution

The fourth proportional to 27,572.72, 41,367.72 and 10,039.28 is: 15,062.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,572.72 : 41,367.72 = 10,039.28 : x
  2. Step 2: Convert to fraction form
    27,572.72/41,367.72 = 10,039.28/x
  3. Step 3: Cross multiply
    27,572.72x = 41,367.72 × 10,039.28
  4. Step 4: Simplify right side
    27,572.72x = 415,302,124.04
  5. Step 5: Solve for x
    x = 415,302,124.04/27,572.72
  6. Step 6: Final answer
    x = 15,062.07

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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.