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Finding the Fourth Proportional to 23,855.80, 35,753.10 and 13,325.80

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Solution

The fourth proportional to 23,855.80, 35,753.10 and 13,325.80 is: 19,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,855.80 : 35,753.10 = 13,325.80 : x
  2. Step 2: Convert to fraction form
    23,855.80/35,753.10 = 13,325.80/x
  3. Step 3: Cross multiply
    23,855.80x = 35,753.10 × 13,325.80
  4. Step 4: Simplify right side
    23,855.80x = 476,438,659.98
  5. Step 5: Solve for x
    x = 476,438,659.98/23,855.80
  6. Step 6: Final answer
    x = 19,971.61

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1.5x scale

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.