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Finding the Fourth Proportional to 12,273.48, 18,410.22 and 3,039.48

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Solution

The fourth proportional to 12,273.48, 18,410.22 and 3,039.48 is: 4,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.48 : 18,410.22 = 3,039.48 : x
  2. Step 2: Convert to fraction form
    12,273.48/18,410.22 = 3,039.48/x
  3. Step 3: Cross multiply
    12,273.48x = 18,410.22 × 3,039.48
  4. Step 4: Simplify right side
    12,273.48x = 55,957,495.49
  5. Step 5: Solve for x
    x = 55,957,495.49/12,273.48
  6. Step 6: Final answer
    x = 4,559.22

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1.5x scale

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.