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Finding the Fourth Proportional to 63,118.62, 94,691.43 and 18,748.44

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Solution

The fourth proportional to 63,118.62, 94,691.43 and 18,748.44 is: 28,126.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,118.62 : 94,691.43 = 18,748.44 : x
  2. Step 2: Convert to fraction form
    63,118.62/94,691.43 = 18,748.44/x
  3. Step 3: Cross multiply
    63,118.62x = 94,691.43 × 18,748.44
  4. Step 4: Simplify right side
    63,118.62x = 1,775,316,593.87
  5. Step 5: Solve for x
    x = 1,775,316,593.87/63,118.62
  6. Step 6: Final answer
    x = 28,126.67

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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.