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Finding the Fourth Proportional to 22,663.42, 33,994.98 and 8,812.42

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Solution

The fourth proportional to 22,663.42, 33,994.98 and 8,812.42 is: 13,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,663.42 : 33,994.98 = 8,812.42 : x
  2. Step 2: Convert to fraction form
    22,663.42/33,994.98 = 8,812.42/x
  3. Step 3: Cross multiply
    22,663.42x = 33,994.98 × 8,812.42
  4. Step 4: Simplify right side
    22,663.42x = 299,577,871.68
  5. Step 5: Solve for x
    x = 299,577,871.68/22,663.42
  6. Step 6: Final answer
    x = 13,218.57

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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.