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Finding the Fourth Proportional to 33,639.44, 46,423.50 and 18,532.40

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Solution

The fourth proportional to 33,639.44, 46,423.50 and 18,532.40 is: 25,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,639.44 : 46,423.50 = 18,532.40 : x
  2. Step 2: Convert to fraction form
    33,639.44/46,423.50 = 18,532.40/x
  3. Step 3: Cross multiply
    33,639.44x = 46,423.50 × 18,532.40
  4. Step 4: Simplify right side
    33,639.44x = 860,338,871.40
  5. Step 5: Solve for x
    x = 860,338,871.40/33,639.44
  6. Step 6: Final answer
    x = 25,575.30

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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.