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Finding the Fourth Proportional to 22,159.80, 33,211.98 and 11,069.60

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Solution

The fourth proportional to 22,159.80, 33,211.98 and 11,069.60 is: 16,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,159.80 : 33,211.98 = 11,069.60 : x
  2. Step 2: Convert to fraction form
    22,159.80/33,211.98 = 11,069.60/x
  3. Step 3: Cross multiply
    22,159.80x = 33,211.98 × 11,069.60
  4. Step 4: Simplify right side
    22,159.80x = 367,643,167.75
  5. Step 5: Solve for x
    x = 367,643,167.75/22,159.80
  6. Step 6: Final answer
    x = 16,590.55

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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.