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Finding the Fourth Proportional to 22,263, 33,365.34 and 12,406.92

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Solution

The fourth proportional to 22,263, 33,365.34 and 12,406.92 is: 18,594.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,263 : 33,365.34 = 12,406.92 : x
  2. Step 2: Convert to fraction form
    22,263/33,365.34 = 12,406.92/x
  3. Step 3: Cross multiply
    22,263x = 33,365.34 × 12,406.92
  4. Step 4: Simplify right side
    22,263x = 413,961,104.15
  5. Step 5: Solve for x
    x = 413,961,104.15/22,263
  6. Step 6: Final answer
    x = 18,594.13

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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.