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Finding the Fourth Proportional to 22,645.39, 33,973.96 and 8,605.66

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Solution

The fourth proportional to 22,645.39, 33,973.96 and 8,605.66 is: 12,910.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,645.39 : 33,973.96 = 8,605.66 : x
  2. Step 2: Convert to fraction form
    22,645.39/33,973.96 = 8,605.66/x
  3. Step 3: Cross multiply
    22,645.39x = 33,973.96 × 8,605.66
  4. Step 4: Simplify right side
    22,645.39x = 292,368,242.16
  5. Step 5: Solve for x
    x = 292,368,242.16/22,645.39
  6. Step 6: Final answer
    x = 12,910.72

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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.