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Finding the Fourth Proportional to 72,028.48, 108,034.63 and 27,624.08

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Solution

The fourth proportional to 72,028.48, 108,034.63 and 27,624.08 is: 41,433.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,028.48 : 108,034.63 = 27,624.08 : x
  2. Step 2: Convert to fraction form
    72,028.48/108,034.63 = 27,624.08/x
  3. Step 3: Cross multiply
    72,028.48x = 108,034.63 × 27,624.08
  4. Step 4: Simplify right side
    72,028.48x = 2,984,356,583.60
  5. Step 5: Solve for x
    x = 2,984,356,583.60/72,028.48
  6. Step 6: Final answer
    x = 41,433.01

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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.