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Finding the Fourth Proportional to 23,519.80, 33,015.20 and 23,519.80

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Solution

The fourth proportional to 23,519.80, 33,015.20 and 23,519.80 is: 33,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,519.80 : 33,015.20 = 23,519.80 : x
  2. Step 2: Convert to fraction form
    23,519.80/33,015.20 = 23,519.80/x
  3. Step 3: Cross multiply
    23,519.80x = 33,015.20 × 23,519.80
  4. Step 4: Simplify right side
    23,519.80x = 776,510,900.96
  5. Step 5: Solve for x
    x = 776,510,900.96/23,519.80
  6. Step 6: Final answer
    x = 33,015.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.