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Finding the Fourth Proportional to 26,391.89, 39,559.04 and 9,737.88

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Solution

The fourth proportional to 26,391.89, 39,559.04 and 9,737.88 is: 14,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.89 : 39,559.04 = 9,737.88 : x
  2. Step 2: Convert to fraction form
    26,391.89/39,559.04 = 9,737.88/x
  3. Step 3: Cross multiply
    26,391.89x = 39,559.04 × 9,737.88
  4. Step 4: Simplify right side
    26,391.89x = 385,221,135.75
  5. Step 5: Solve for x
    x = 385,221,135.75/26,391.89
  6. Step 6: Final answer
    x = 14,596.20

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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.