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Finding the Fourth Proportional to 36,671.70, 55,007.55 and 21,897.30

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Solution

The fourth proportional to 36,671.70, 55,007.55 and 21,897.30 is: 32,845.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,671.70 : 55,007.55 = 21,897.30 : x
  2. Step 2: Convert to fraction form
    36,671.70/55,007.55 = 21,897.30/x
  3. Step 3: Cross multiply
    36,671.70x = 55,007.55 × 21,897.30
  4. Step 4: Simplify right side
    36,671.70x = 1,204,516,824.62
  5. Step 5: Solve for x
    x = 1,204,516,824.62/36,671.70
  6. Step 6: Final answer
    x = 32,845.95

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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.