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Finding the Fourth Proportional to 26,558.10, 39,840.03 and 9,926.10

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Solution

The fourth proportional to 26,558.10, 39,840.03 and 9,926.10 is: 14,890.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,558.10 : 39,840.03 = 9,926.10 : x
  2. Step 2: Convert to fraction form
    26,558.10/39,840.03 = 9,926.10/x
  3. Step 3: Cross multiply
    26,558.10x = 39,840.03 × 9,926.10
  4. Step 4: Simplify right side
    26,558.10x = 395,456,121.78
  5. Step 5: Solve for x
    x = 395,456,121.78/26,558.10
  6. Step 6: Final answer
    x = 14,890.23

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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.