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Finding the Fourth Proportional to 22,118.88, 30,524.76 and 12,047.88

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Solution

The fourth proportional to 22,118.88, 30,524.76 and 12,047.88 is: 16,626.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,118.88 : 30,524.76 = 12,047.88 : x
  2. Step 2: Convert to fraction form
    22,118.88/30,524.76 = 12,047.88/x
  3. Step 3: Cross multiply
    22,118.88x = 30,524.76 × 12,047.88
  4. Step 4: Simplify right side
    22,118.88x = 367,758,645.51
  5. Step 5: Solve for x
    x = 367,758,645.51/22,118.88
  6. Step 6: Final answer
    x = 16,626.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.