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Finding the Fourth Proportional to 44,896.40, 67,328.40 and 18,231.20

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Solution

The fourth proportional to 44,896.40, 67,328.40 and 18,231.20 is: 27,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,896.40 : 67,328.40 = 18,231.20 : x
  2. Step 2: Convert to fraction form
    44,896.40/67,328.40 = 18,231.20/x
  3. Step 3: Cross multiply
    44,896.40x = 67,328.40 × 18,231.20
  4. Step 4: Simplify right side
    44,896.40x = 1,227,477,526.08
  5. Step 5: Solve for x
    x = 1,227,477,526.08/44,896.40
  6. Step 6: Final answer
    x = 27,340.22

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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.