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Finding the Fourth Proportional to 6,660.22, 9,192.23 and 6,364.98

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Solution

The fourth proportional to 6,660.22, 9,192.23 and 6,364.98 is: 8,784.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.22 : 9,192.23 = 6,364.98 : x
  2. Step 2: Convert to fraction form
    6,660.22/9,192.23 = 6,364.98/x
  3. Step 3: Cross multiply
    6,660.22x = 9,192.23 × 6,364.98
  4. Step 4: Simplify right side
    6,660.22x = 58,508,360.11
  5. Step 5: Solve for x
    x = 58,508,360.11/6,660.22
  6. Step 6: Final answer
    x = 8,784.75

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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.