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Finding the Fourth Proportional to 9,660.96, 13,323.96 and 6,672.06

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Solution

The fourth proportional to 9,660.96, 13,323.96 and 6,672.06 is: 9,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.96 : 13,323.96 = 6,672.06 : x
  2. Step 2: Convert to fraction form
    9,660.96/13,323.96 = 6,672.06/x
  3. Step 3: Cross multiply
    9,660.96x = 13,323.96 × 6,672.06
  4. Step 4: Simplify right side
    9,660.96x = 88,898,260.56
  5. Step 5: Solve for x
    x = 88,898,260.56/9,660.96
  6. Step 6: Final answer
    x = 9,201.80

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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.