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Finding the Fourth Proportional to 7,630.19, 11,446.19 and 2,698.82

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Solution

The fourth proportional to 7,630.19, 11,446.19 and 2,698.82 is: 4,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.19 : 11,446.19 = 2,698.82 : x
  2. Step 2: Convert to fraction form
    7,630.19/11,446.19 = 2,698.82/x
  3. Step 3: Cross multiply
    7,630.19x = 11,446.19 × 2,698.82
  4. Step 4: Simplify right side
    7,630.19x = 30,891,135.77
  5. Step 5: Solve for x
    x = 30,891,135.77/7,630.19
  6. Step 6: Final answer
    x = 4,048.54

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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.