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Finding the Fourth Proportional to 8,910.84, 13,367.16 and 3,066.68

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Solution

The fourth proportional to 8,910.84, 13,367.16 and 3,066.68 is: 4,600.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.84 : 13,367.16 = 3,066.68 : x
  2. Step 2: Convert to fraction form
    8,910.84/13,367.16 = 3,066.68/x
  3. Step 3: Cross multiply
    8,910.84x = 13,367.16 × 3,066.68
  4. Step 4: Simplify right side
    8,910.84x = 40,992,802.23
  5. Step 5: Solve for x
    x = 40,992,802.23/8,910.84
  6. Step 6: Final answer
    x = 4,600.33

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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.