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Finding the Fourth Proportional to 8,771.02, 13,043.84 and 8,494.21

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Solution

The fourth proportional to 8,771.02, 13,043.84 and 8,494.21 is: 12,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.02 : 13,043.84 = 8,494.21 : x
  2. Step 2: Convert to fraction form
    8,771.02/13,043.84 = 8,494.21/x
  3. Step 3: Cross multiply
    8,771.02x = 13,043.84 × 8,494.21
  4. Step 4: Simplify right side
    8,771.02x = 110,797,116.17
  5. Step 5: Solve for x
    x = 110,797,116.17/8,771.02
  6. Step 6: Final answer
    x = 12,632.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.