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Finding the Fourth Proportional to 44,287.60, 66,469.20 and 18,011.20

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Solution

The fourth proportional to 44,287.60, 66,469.20 and 18,011.20 is: 27,032.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,287.60 : 66,469.20 = 18,011.20 : x
  2. Step 2: Convert to fraction form
    44,287.60/66,469.20 = 18,011.20/x
  3. Step 3: Cross multiply
    44,287.60x = 66,469.20 × 18,011.20
  4. Step 4: Simplify right side
    44,287.60x = 1,197,190,055.04
  5. Step 5: Solve for x
    x = 1,197,190,055.04/44,287.60
  6. Step 6: Final answer
    x = 27,032.17

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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.