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Finding the Fourth Proportional to 44,320.80, 66,529.80 and 27,699.60

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Solution

The fourth proportional to 44,320.80, 66,529.80 and 27,699.60 is: 41,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,320.80 : 66,529.80 = 27,699.60 : x
  2. Step 2: Convert to fraction form
    44,320.80/66,529.80 = 27,699.60/x
  3. Step 3: Cross multiply
    44,320.80x = 66,529.80 × 27,699.60
  4. Step 4: Simplify right side
    44,320.80x = 1,842,848,848.08
  5. Step 5: Solve for x
    x = 1,842,848,848.08/44,320.80
  6. Step 6: Final answer
    x = 41,579.77

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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.