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Finding the Fourth Proportional to 4,166, 6,249.36 and 1,088

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Solution

The fourth proportional to 4,166, 6,249.36 and 1,088 is: 1,632.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166 : 6,249.36 = 1,088 : x
  2. Step 2: Convert to fraction form
    4,166/6,249.36 = 1,088/x
  3. Step 3: Cross multiply
    4,166x = 6,249.36 × 1,088
  4. Step 4: Simplify right side
    4,166x = 6,799,303.68
  5. Step 5: Solve for x
    x = 6,799,303.68/4,166
  6. Step 6: Final answer
    x = 1,632.09

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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.