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Finding the Fourth Proportional to 7,441.99, 10,269.79 and 4,789.39

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Solution

The fourth proportional to 7,441.99, 10,269.79 and 4,789.39 is: 6,609.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,441.99 : 10,269.79 = 4,789.39 : x
  2. Step 2: Convert to fraction form
    7,441.99/10,269.79 = 4,789.39/x
  3. Step 3: Cross multiply
    7,441.99x = 10,269.79 × 4,789.39
  4. Step 4: Simplify right side
    7,441.99x = 49,186,029.53
  5. Step 5: Solve for x
    x = 49,186,029.53/7,441.99
  6. Step 6: Final answer
    x = 6,609.26

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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.