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Finding the Fourth Proportional to 7,246.80, 10,859.67 and 7,074.27

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Solution

The fourth proportional to 7,246.80, 10,859.67 and 7,074.27 is: 10,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.80 : 10,859.67 = 7,074.27 : x
  2. Step 2: Convert to fraction form
    7,246.80/10,859.67 = 7,074.27/x
  3. Step 3: Cross multiply
    7,246.80x = 10,859.67 × 7,074.27
  4. Step 4: Simplify right side
    7,246.80x = 76,824,237.69
  5. Step 5: Solve for x
    x = 76,824,237.69/7,246.80
  6. Step 6: Final answer
    x = 10,601.13

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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.