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Finding the Fourth Proportional to 22,030.40, 33,045.60 and 8,176.64

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Solution

The fourth proportional to 22,030.40, 33,045.60 and 8,176.64 is: 12,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.40 : 33,045.60 = 8,176.64 : x
  2. Step 2: Convert to fraction form
    22,030.40/33,045.60 = 8,176.64/x
  3. Step 3: Cross multiply
    22,030.40x = 33,045.60 × 8,176.64
  4. Step 4: Simplify right side
    22,030.40x = 270,201,974.78
  5. Step 5: Solve for x
    x = 270,201,974.78/22,030.40
  6. Step 6: Final answer
    x = 12,264.96

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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.