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Finding the Fourth Proportional to 63,181.62, 94,771.08 and 18,809.01

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Solution

The fourth proportional to 63,181.62, 94,771.08 and 18,809.01 is: 28,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,181.62 : 94,771.08 = 18,809.01 : x
  2. Step 2: Convert to fraction form
    63,181.62/94,771.08 = 18,809.01/x
  3. Step 3: Cross multiply
    63,181.62x = 94,771.08 × 18,809.01
  4. Step 4: Simplify right side
    63,181.62x = 1,782,550,191.43
  5. Step 5: Solve for x
    x = 1,782,550,191.43/63,181.62
  6. Step 6: Final answer
    x = 28,213.11

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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.