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Finding the Fourth Proportional to 8,982.80, 13,441.80 and 6,066.80

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Solution

The fourth proportional to 8,982.80, 13,441.80 and 6,066.80 is: 9,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.80 : 13,441.80 = 6,066.80 : x
  2. Step 2: Convert to fraction form
    8,982.80/13,441.80 = 6,066.80/x
  3. Step 3: Cross multiply
    8,982.80x = 13,441.80 × 6,066.80
  4. Step 4: Simplify right side
    8,982.80x = 81,548,712.24
  5. Step 5: Solve for x
    x = 81,548,712.24/8,982.80
  6. Step 6: Final answer
    x = 9,078.32

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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.