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Finding the Fourth Proportional to 23,893.45, 35,855.77 and 8,912.56

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Solution

The fourth proportional to 23,893.45, 35,855.77 and 8,912.56 is: 13,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,893.45 : 35,855.77 = 8,912.56 : x
  2. Step 2: Convert to fraction form
    23,893.45/35,855.77 = 8,912.56/x
  3. Step 3: Cross multiply
    23,893.45x = 35,855.77 × 8,912.56
  4. Step 4: Simplify right side
    23,893.45x = 319,566,522.19
  5. Step 5: Solve for x
    x = 319,566,522.19/23,893.45
  6. Step 6: Final answer
    x = 13,374.65

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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.