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Finding the Fourth Proportional to 44,279.84, 66,406.80 and 36,469.28

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Solution

The fourth proportional to 44,279.84, 66,406.80 and 36,469.28 is: 54,693.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,279.84 : 66,406.80 = 36,469.28 : x
  2. Step 2: Convert to fraction form
    44,279.84/66,406.80 = 36,469.28/x
  3. Step 3: Cross multiply
    44,279.84x = 66,406.80 × 36,469.28
  4. Step 4: Simplify right side
    44,279.84x = 2,421,808,183.10
  5. Step 5: Solve for x
    x = 2,421,808,183.10/44,279.84
  6. Step 6: Final answer
    x = 54,693.25

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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.