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Finding the Fourth Proportional to 4,518.64, 6,747.89 and 4,469.77

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Solution

The fourth proportional to 4,518.64, 6,747.89 and 4,469.77 is: 6,674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.64 : 6,747.89 = 4,469.77 : x
  2. Step 2: Convert to fraction form
    4,518.64/6,747.89 = 4,469.77/x
  3. Step 3: Cross multiply
    4,518.64x = 6,747.89 × 4,469.77
  4. Step 4: Simplify right side
    4,518.64x = 30,161,516.29
  5. Step 5: Solve for x
    x = 30,161,516.29/4,518.64
  6. Step 6: Final answer
    x = 6,674.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.