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Finding the Fourth Proportional to 6,277.92, 8,661.12 and 3,624.36

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Solution

The fourth proportional to 6,277.92, 8,661.12 and 3,624.36 is: 5,000.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.92 : 8,661.12 = 3,624.36 : x
  2. Step 2: Convert to fraction form
    6,277.92/8,661.12 = 3,624.36/x
  3. Step 3: Cross multiply
    6,277.92x = 8,661.12 × 3,624.36
  4. Step 4: Simplify right side
    6,277.92x = 31,391,016.88
  5. Step 5: Solve for x
    x = 31,391,016.88/6,277.92
  6. Step 6: Final answer
    x = 5,000.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.