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Finding the Fourth Proportional to 23,939.75, 35,909.73 and 8,357.38

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Solution

The fourth proportional to 23,939.75, 35,909.73 and 8,357.38 is: 12,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,939.75 : 35,909.73 = 8,357.38 : x
  2. Step 2: Convert to fraction form
    23,939.75/35,909.73 = 8,357.38/x
  3. Step 3: Cross multiply
    23,939.75x = 35,909.73 × 8,357.38
  4. Step 4: Simplify right side
    23,939.75x = 300,111,169.53
  5. Step 5: Solve for x
    x = 300,111,169.53/23,939.75
  6. Step 6: Final answer
    x = 12,536.10

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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.