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Finding the Fourth Proportional to 22,645.11, 33,967.62 and 8,605.11

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Solution

The fourth proportional to 22,645.11, 33,967.62 and 8,605.11 is: 12,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,645.11 : 33,967.62 = 8,605.11 : x
  2. Step 2: Convert to fraction form
    22,645.11/33,967.62 = 8,605.11/x
  3. Step 3: Cross multiply
    22,645.11x = 33,967.62 × 8,605.11
  4. Step 4: Simplify right side
    22,645.11x = 292,295,106.54
  5. Step 5: Solve for x
    x = 292,295,106.54/22,645.11
  6. Step 6: Final answer
    x = 12,907.65

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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.