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Finding the Fourth Proportional to 22,330.14, 30,815.98 and 12,259.52

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Solution

The fourth proportional to 22,330.14, 30,815.98 and 12,259.52 is: 16,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,330.14 : 30,815.98 = 12,259.52 : x
  2. Step 2: Convert to fraction form
    22,330.14/30,815.98 = 12,259.52/x
  3. Step 3: Cross multiply
    22,330.14x = 30,815.98 × 12,259.52
  4. Step 4: Simplify right side
    22,330.14x = 377,789,123.13
  5. Step 5: Solve for x
    x = 377,789,123.13/22,330.14
  6. Step 6: Final answer
    x = 16,918.35

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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.