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Finding the Fourth Proportional to 23,859.60, 35,789.01 and 7,219.98

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Solution

The fourth proportional to 23,859.60, 35,789.01 and 7,219.98 is: 10,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,859.60 : 35,789.01 = 7,219.98 : x
  2. Step 2: Convert to fraction form
    23,859.60/35,789.01 = 7,219.98/x
  3. Step 3: Cross multiply
    23,859.60x = 35,789.01 × 7,219.98
  4. Step 4: Simplify right side
    23,859.60x = 258,395,936.42
  5. Step 5: Solve for x
    x = 258,395,936.42/23,859.60
  6. Step 6: Final answer
    x = 10,829.85

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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.