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Finding the Fourth Proportional to 18,269.77, 27,404.67 and 4,418.77

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Solution

The fourth proportional to 18,269.77, 27,404.67 and 4,418.77 is: 6,628.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.77 : 27,404.67 = 4,418.77 : x
  2. Step 2: Convert to fraction form
    18,269.77/27,404.67 = 4,418.77/x
  3. Step 3: Cross multiply
    18,269.77x = 27,404.67 × 4,418.77
  4. Step 4: Simplify right side
    18,269.77x = 121,094,933.66
  5. Step 5: Solve for x
    x = 121,094,933.66/18,269.77
  6. Step 6: Final answer
    x = 6,628.16

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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.