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Finding the Fourth Proportional to 27,168.69, 40,753.00 and 7,448.79

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Solution

The fourth proportional to 27,168.69, 40,753.00 and 7,448.79 is: 11,173.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,168.69 : 40,753.00 = 7,448.79 : x
  2. Step 2: Convert to fraction form
    27,168.69/40,753.00 = 7,448.79/x
  3. Step 3: Cross multiply
    27,168.69x = 40,753.00 × 7,448.79
  4. Step 4: Simplify right side
    27,168.69x = 303,560,336.20
  5. Step 5: Solve for x
    x = 303,560,336.20/27,168.69
  6. Step 6: Final answer
    x = 11,173.17

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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.