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Finding the Fourth Proportional to 23,494.80, 35,241.96 and 7,912.32

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Solution

The fourth proportional to 23,494.80, 35,241.96 and 7,912.32 is: 11,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,494.80 : 35,241.96 = 7,912.32 : x
  2. Step 2: Convert to fraction form
    23,494.80/35,241.96 = 7,912.32/x
  3. Step 3: Cross multiply
    23,494.80x = 35,241.96 × 7,912.32
  4. Step 4: Simplify right side
    23,494.80x = 278,845,664.95
  5. Step 5: Solve for x
    x = 278,845,664.95/23,494.80
  6. Step 6: Final answer
    x = 11,868.40

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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.