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Finding the Fourth Proportional to 22,330.70, 33,464.77 and 16,780.50

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Solution

The fourth proportional to 22,330.70, 33,464.77 and 16,780.50 is: 25,147.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,330.70 : 33,464.77 = 16,780.50 : x
  2. Step 2: Convert to fraction form
    22,330.70/33,464.77 = 16,780.50/x
  3. Step 3: Cross multiply
    22,330.70x = 33,464.77 × 16,780.50
  4. Step 4: Simplify right side
    22,330.70x = 561,555,572.99
  5. Step 5: Solve for x
    x = 561,555,572.99/22,330.70
  6. Step 6: Final answer
    x = 25,147.24

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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.