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Finding the Fourth Proportional to 23,909.76, 35,833.76 and 19,936.30

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Solution

The fourth proportional to 23,909.76, 35,833.76 and 19,936.30 is: 29,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,909.76 : 35,833.76 = 19,936.30 : x
  2. Step 2: Convert to fraction form
    23,909.76/35,833.76 = 19,936.30/x
  3. Step 3: Cross multiply
    23,909.76x = 35,833.76 × 19,936.30
  4. Step 4: Simplify right side
    23,909.76x = 714,392,589.49
  5. Step 5: Solve for x
    x = 714,392,589.49/23,909.76
  6. Step 6: Final answer
    x = 29,878.70

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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.