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Finding the Fourth Proportional to 22,388.52, 33,575.62 and 7,392.84

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Solution

The fourth proportional to 22,388.52, 33,575.62 and 7,392.84 is: 11,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,388.52 : 33,575.62 = 7,392.84 : x
  2. Step 2: Convert to fraction form
    22,388.52/33,575.62 = 7,392.84/x
  3. Step 3: Cross multiply
    22,388.52x = 33,575.62 × 7,392.84
  4. Step 4: Simplify right side
    22,388.52x = 248,219,288.98
  5. Step 5: Solve for x
    x = 248,219,288.98/22,388.52
  6. Step 6: Final answer
    x = 11,086.90

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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.