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Finding the Fourth Proportional to 7,735.59, 11,615.22 and 6,818.87

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Solution

The fourth proportional to 7,735.59, 11,615.22 and 6,818.87 is: 10,238.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,735.59 : 11,615.22 = 6,818.87 : x
  2. Step 2: Convert to fraction form
    7,735.59/11,615.22 = 6,818.87/x
  3. Step 3: Cross multiply
    7,735.59x = 11,615.22 × 6,818.87
  4. Step 4: Simplify right side
    7,735.59x = 79,202,617.13
  5. Step 5: Solve for x
    x = 79,202,617.13/7,735.59
  6. Step 6: Final answer
    x = 10,238.73

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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.