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Finding the Fourth Proportional to 8,722.22, 13,066.86 and 6,751.22

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Solution

The fourth proportional to 8,722.22, 13,066.86 and 6,751.22 is: 10,114.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.22 : 13,066.86 = 6,751.22 : x
  2. Step 2: Convert to fraction form
    8,722.22/13,066.86 = 6,751.22/x
  3. Step 3: Cross multiply
    8,722.22x = 13,066.86 × 6,751.22
  4. Step 4: Simplify right side
    8,722.22x = 88,217,246.57
  5. Step 5: Solve for x
    x = 88,217,246.57/8,722.22
  6. Step 6: Final answer
    x = 10,114.08

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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.