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Finding the Fourth Proportional to 63,648.08, 87,837 and 35,354

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Solution

The fourth proportional to 63,648.08, 87,837 and 35,354 is: 48,789.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,648.08 : 87,837 = 35,354 : x
  2. Step 2: Convert to fraction form
    63,648.08/87,837 = 35,354/x
  3. Step 3: Cross multiply
    63,648.08x = 87,837 × 35,354
  4. Step 4: Simplify right side
    63,648.08x = 3,105,389,298
  5. Step 5: Solve for x
    x = 3,105,389,298/63,648.08
  6. Step 6: Final answer
    x = 48,789.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.