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Finding the Fourth Proportional to 26,558.00, 39,828.35 and 8,785.31

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Solution

The fourth proportional to 26,558.00, 39,828.35 and 8,785.31 is: 13,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,558.00 : 39,828.35 = 8,785.31 : x
  2. Step 2: Convert to fraction form
    26,558.00/39,828.35 = 8,785.31/x
  3. Step 3: Cross multiply
    26,558.00x = 39,828.35 × 8,785.31
  4. Step 4: Simplify right side
    26,558.00x = 349,904,401.54
  5. Step 5: Solve for x
    x = 349,904,401.54/26,558.00
  6. Step 6: Final answer
    x = 13,175.11

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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.