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Finding the Fourth Proportional to 8,797.21, 13,214.04 and 8,501.96

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Solution

The fourth proportional to 8,797.21, 13,214.04 and 8,501.96 is: 12,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.21 : 13,214.04 = 8,501.96 : x
  2. Step 2: Convert to fraction form
    8,797.21/13,214.04 = 8,501.96/x
  3. Step 3: Cross multiply
    8,797.21x = 13,214.04 × 8,501.96
  4. Step 4: Simplify right side
    8,797.21x = 112,345,240.67
  5. Step 5: Solve for x
    x = 112,345,240.67/8,797.21
  6. Step 6: Final answer
    x = 12,770.56

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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.