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Finding the Fourth Proportional to 26,801.60, 36,980.60 and 16,189.20

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Solution

The fourth proportional to 26,801.60, 36,980.60 and 16,189.20 is: 22,337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,801.60 : 36,980.60 = 16,189.20 : x
  2. Step 2: Convert to fraction form
    26,801.60/36,980.60 = 16,189.20/x
  3. Step 3: Cross multiply
    26,801.60x = 36,980.60 × 16,189.20
  4. Step 4: Simplify right side
    26,801.60x = 598,686,329.52
  5. Step 5: Solve for x
    x = 598,686,329.52/26,801.60
  6. Step 6: Final answer
    x = 22,337.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.