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Finding the Fourth Proportional to 39,563.78, 54,602.38 and 25,224.14

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Solution

The fourth proportional to 39,563.78, 54,602.38 and 25,224.14 is: 34,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,563.78 : 54,602.38 = 25,224.14 : x
  2. Step 2: Convert to fraction form
    39,563.78/54,602.38 = 25,224.14/x
  3. Step 3: Cross multiply
    39,563.78x = 54,602.38 × 25,224.14
  4. Step 4: Simplify right side
    39,563.78x = 1,377,297,741.38
  5. Step 5: Solve for x
    x = 1,377,297,741.38/39,563.78
  6. Step 6: Final answer
    x = 34,812.08

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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.