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Finding the Fourth Proportional to 22,482.02, 33,722.67 and 8,631.02

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Solution

The fourth proportional to 22,482.02, 33,722.67 and 8,631.02 is: 12,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,482.02 : 33,722.67 = 8,631.02 : x
  2. Step 2: Convert to fraction form
    22,482.02/33,722.67 = 8,631.02/x
  3. Step 3: Cross multiply
    22,482.02x = 33,722.67 × 8,631.02
  4. Step 4: Simplify right side
    22,482.02x = 291,061,039.22
  5. Step 5: Solve for x
    x = 291,061,039.22/22,482.02
  6. Step 6: Final answer
    x = 12,946.39

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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.