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Finding the Fourth Proportional to 4,841.70, 7,247.92 and 4,379.69

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Solution

The fourth proportional to 4,841.70, 7,247.92 and 4,379.69 is: 6,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,841.70 : 7,247.92 = 4,379.69 : x
  2. Step 2: Convert to fraction form
    4,841.70/7,247.92 = 4,379.69/x
  3. Step 3: Cross multiply
    4,841.70x = 7,247.92 × 4,379.69
  4. Step 4: Simplify right side
    4,841.70x = 31,743,642.74
  5. Step 5: Solve for x
    x = 31,743,642.74/4,841.70
  6. Step 6: Final answer
    x = 6,556.30

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1.5x scale

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.