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Finding the Fourth Proportional to 22,662.60, 33,965.04 and 12,807.38

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Solution

The fourth proportional to 22,662.60, 33,965.04 and 12,807.38 is: 19,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,662.60 : 33,965.04 = 12,807.38 : x
  2. Step 2: Convert to fraction form
    22,662.60/33,965.04 = 12,807.38/x
  3. Step 3: Cross multiply
    22,662.60x = 33,965.04 × 12,807.38
  4. Step 4: Simplify right side
    22,662.60x = 435,003,174.00
  5. Step 5: Solve for x
    x = 435,003,174.00/22,662.60
  6. Step 6: Final answer
    x = 19,194.76

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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.