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Finding the Fourth Proportional to 23,805.88, 32,855.52 and 13,737.79

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Solution

The fourth proportional to 23,805.88, 32,855.52 and 13,737.79 is: 18,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,805.88 : 32,855.52 = 13,737.79 : x
  2. Step 2: Convert to fraction form
    23,805.88/32,855.52 = 13,737.79/x
  3. Step 3: Cross multiply
    23,805.88x = 32,855.52 × 13,737.79
  4. Step 4: Simplify right side
    23,805.88x = 451,362,141.87
  5. Step 5: Solve for x
    x = 451,362,141.87/23,805.88
  6. Step 6: Final answer
    x = 18,960.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.