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Finding the Fourth Proportional to 18,048.69, 27,063.13 and 5,565.25

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Solution

The fourth proportional to 18,048.69, 27,063.13 and 5,565.25 is: 8,344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.69 : 27,063.13 = 5,565.25 : x
  2. Step 2: Convert to fraction form
    18,048.69/27,063.13 = 5,565.25/x
  3. Step 3: Cross multiply
    18,048.69x = 27,063.13 × 5,565.25
  4. Step 4: Simplify right side
    18,048.69x = 150,613,014.99
  5. Step 5: Solve for x
    x = 150,613,014.99/18,048.69
  6. Step 6: Final answer
    x = 8,344.82

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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.