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Finding the Fourth Proportional to 18,035.28, 24,888.60 and 10,077.12

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Solution

The fourth proportional to 18,035.28, 24,888.60 and 10,077.12 is: 13,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.28 : 24,888.60 = 10,077.12 : x
  2. Step 2: Convert to fraction form
    18,035.28/24,888.60 = 10,077.12/x
  3. Step 3: Cross multiply
    18,035.28x = 24,888.60 × 10,077.12
  4. Step 4: Simplify right side
    18,035.28x = 250,805,408.83
  5. Step 5: Solve for x
    x = 250,805,408.83/18,035.28
  6. Step 6: Final answer
    x = 13,906.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.