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Finding the Fourth Proportional to 26,355, 39,469.16 and 15,076.16

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Solution

The fourth proportional to 26,355, 39,469.16 and 15,076.16 is: 22,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,355 : 39,469.16 = 15,076.16 : x
  2. Step 2: Convert to fraction form
    26,355/39,469.16 = 15,076.16/x
  3. Step 3: Cross multiply
    26,355x = 39,469.16 × 15,076.16
  4. Step 4: Simplify right side
    26,355x = 595,043,371.23
  5. Step 5: Solve for x
    x = 595,043,371.23/26,355
  6. Step 6: Final answer
    x = 22,578.01

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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.