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Finding the Fourth Proportional to 22,027.95, 30,423.78 and 14,507.89

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Solution

The fourth proportional to 22,027.95, 30,423.78 and 14,507.89 is: 20,037.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,027.95 : 30,423.78 = 14,507.89 : x
  2. Step 2: Convert to fraction form
    22,027.95/30,423.78 = 14,507.89/x
  3. Step 3: Cross multiply
    22,027.95x = 30,423.78 × 14,507.89
  4. Step 4: Simplify right side
    22,027.95x = 441,384,853.62
  5. Step 5: Solve for x
    x = 441,384,853.62/22,027.95
  6. Step 6: Final answer
    x = 20,037.49

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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.