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Finding the Fourth Proportional to 22,663.79, 33,996.53 and 8,621.18

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Solution

The fourth proportional to 22,663.79, 33,996.53 and 8,621.18 is: 12,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,663.79 : 33,996.53 = 8,621.18 : x
  2. Step 2: Convert to fraction form
    22,663.79/33,996.53 = 8,621.18/x
  3. Step 3: Cross multiply
    22,663.79x = 33,996.53 × 8,621.18
  4. Step 4: Simplify right side
    22,663.79x = 293,090,311.05
  5. Step 5: Solve for x
    x = 293,090,311.05/22,663.79
  6. Step 6: Final answer
    x = 12,932.10

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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.