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Finding the Fourth Proportional to 22,009.66, 33,014.16 and 8,861.69

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Solution

The fourth proportional to 22,009.66, 33,014.16 and 8,861.69 is: 13,292.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.66 : 33,014.16 = 8,861.69 : x
  2. Step 2: Convert to fraction form
    22,009.66/33,014.16 = 8,861.69/x
  3. Step 3: Cross multiply
    22,009.66x = 33,014.16 × 8,861.69
  4. Step 4: Simplify right side
    22,009.66x = 292,561,334.07
  5. Step 5: Solve for x
    x = 292,561,334.07/22,009.66
  6. Step 6: Final answer
    x = 13,292.41

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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.