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Finding the Fourth Proportional to 7,474.41, 10,239.99 and 7,194.15

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Solution

The fourth proportional to 7,474.41, 10,239.99 and 7,194.15 is: 9,856.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.41 : 10,239.99 = 7,194.15 : x
  2. Step 2: Convert to fraction form
    7,474.41/10,239.99 = 7,194.15/x
  3. Step 3: Cross multiply
    7,474.41x = 10,239.99 × 7,194.15
  4. Step 4: Simplify right side
    7,474.41x = 73,668,037.55
  5. Step 5: Solve for x
    x = 73,668,037.55/7,474.41
  6. Step 6: Final answer
    x = 9,856.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.