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Finding the Fourth Proportional to 43,554.40, 65,234.40 and 33,661.60

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Solution

The fourth proportional to 43,554.40, 65,234.40 and 33,661.60 is: 50,417.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,554.40 : 65,234.40 = 33,661.60 : x
  2. Step 2: Convert to fraction form
    43,554.40/65,234.40 = 33,661.60/x
  3. Step 3: Cross multiply
    43,554.40x = 65,234.40 × 33,661.60
  4. Step 4: Simplify right side
    43,554.40x = 2,195,894,279.04
  5. Step 5: Solve for x
    x = 2,195,894,279.04/43,554.40
  6. Step 6: Final answer
    x = 50,417.28

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Why These Related Problems?

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