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Finding the Fourth Proportional to 7,659.71, 11,473.41 and 3,503.22

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Solution

The fourth proportional to 7,659.71, 11,473.41 and 3,503.22 is: 5,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.71 : 11,473.41 = 3,503.22 : x
  2. Step 2: Convert to fraction form
    7,659.71/11,473.41 = 3,503.22/x
  3. Step 3: Cross multiply
    7,659.71x = 11,473.41 × 3,503.22
  4. Step 4: Simplify right side
    7,659.71x = 40,193,849.49
  5. Step 5: Solve for x
    x = 40,193,849.49/7,659.71
  6. Step 6: Final answer
    x = 5,247.43

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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.