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Finding the Fourth Proportional to 6,606.48, 9,116.92 and 3,622.24

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Solution

The fourth proportional to 6,606.48, 9,116.92 and 3,622.24 is: 4,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.48 : 9,116.92 = 3,622.24 : x
  2. Step 2: Convert to fraction form
    6,606.48/9,116.92 = 3,622.24/x
  3. Step 3: Cross multiply
    6,606.48x = 9,116.92 × 3,622.24
  4. Step 4: Simplify right side
    6,606.48x = 33,023,672.30
  5. Step 5: Solve for x
    x = 33,023,672.30/6,606.48
  6. Step 6: Final answer
    x = 4,998.68

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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.