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Finding the Fourth Proportional to 11,772.22, 17,641.91 and 8,847.10

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Solution

The fourth proportional to 11,772.22, 17,641.91 and 8,847.10 is: 13,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.22 : 17,641.91 = 8,847.10 : x
  2. Step 2: Convert to fraction form
    11,772.22/17,641.91 = 8,847.10/x
  3. Step 3: Cross multiply
    11,772.22x = 17,641.91 × 8,847.10
  4. Step 4: Simplify right side
    11,772.22x = 156,079,741.96
  5. Step 5: Solve for x
    x = 156,079,741.96/11,772.22
  6. Step 6: Final answer
    x = 13,258.31

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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.