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Finding the Fourth Proportional to 22,258.80, 33,384.56 and 8,225.40

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Solution

The fourth proportional to 22,258.80, 33,384.56 and 8,225.40 is: 12,336.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,258.80 : 33,384.56 = 8,225.40 : x
  2. Step 2: Convert to fraction form
    22,258.80/33,384.56 = 8,225.40/x
  3. Step 3: Cross multiply
    22,258.80x = 33,384.56 × 8,225.40
  4. Step 4: Simplify right side
    22,258.80x = 274,601,256.10
  5. Step 5: Solve for x
    x = 274,601,256.10/22,258.80
  6. Step 6: Final answer
    x = 12,336.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.