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Finding the Fourth Proportional to 5,633.11, 7,769.46 and 4,995.79

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Solution

The fourth proportional to 5,633.11, 7,769.46 and 4,995.79 is: 6,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.11 : 7,769.46 = 4,995.79 : x
  2. Step 2: Convert to fraction form
    5,633.11/7,769.46 = 4,995.79/x
  3. Step 3: Cross multiply
    5,633.11x = 7,769.46 × 4,995.79
  4. Step 4: Simplify right side
    5,633.11x = 38,814,590.57
  5. Step 5: Solve for x
    x = 38,814,590.57/5,633.11
  6. Step 6: Final answer
    x = 6,890.44

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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.