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Finding the Fourth Proportional to 6,610.86, 9,123 and 3,626.94

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Solution

The fourth proportional to 6,610.86, 9,123 and 3,626.94 is: 5,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.86 : 9,123 = 3,626.94 : x
  2. Step 2: Convert to fraction form
    6,610.86/9,123 = 3,626.94/x
  3. Step 3: Cross multiply
    6,610.86x = 9,123 × 3,626.94
  4. Step 4: Simplify right side
    6,610.86x = 33,088,573.62
  5. Step 5: Solve for x
    x = 33,088,573.62/6,610.86
  6. Step 6: Final answer
    x = 5,005.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.