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Finding the Fourth Proportional to 22,662.77, 33,994.15 and 8,619.55

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Solution

The fourth proportional to 22,662.77, 33,994.15 and 8,619.55 is: 12,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,662.77 : 33,994.15 = 8,619.55 : x
  2. Step 2: Convert to fraction form
    22,662.77/33,994.15 = 8,619.55/x
  3. Step 3: Cross multiply
    22,662.77x = 33,994.15 × 8,619.55
  4. Step 4: Simplify right side
    22,662.77x = 293,014,332.94
  5. Step 5: Solve for x
    x = 293,014,332.94/22,662.77
  6. Step 6: Final answer
    x = 12,929.33

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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.