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Finding the Fourth Proportional to 26,505.39, 39,762.97 and 8,737.11

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Solution

The fourth proportional to 26,505.39, 39,762.97 and 8,737.11 is: 13,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,505.39 : 39,762.97 = 8,737.11 : x
  2. Step 2: Convert to fraction form
    26,505.39/39,762.97 = 8,737.11/x
  3. Step 3: Cross multiply
    26,505.39x = 39,762.97 × 8,737.11
  4. Step 4: Simplify right side
    26,505.39x = 347,413,399.13
  5. Step 5: Solve for x
    x = 347,413,399.13/26,505.39
  6. Step 6: Final answer
    x = 13,107.27

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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.