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Finding the Fourth Proportional to 63,628.35, 87,809.82 and 35,334

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Solution

The fourth proportional to 63,628.35, 87,809.82 and 35,334 is: 48,762.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,628.35 : 87,809.82 = 35,334 : x
  2. Step 2: Convert to fraction form
    63,628.35/87,809.82 = 35,334/x
  3. Step 3: Cross multiply
    63,628.35x = 87,809.82 × 35,334
  4. Step 4: Simplify right side
    63,628.35x = 3,102,672,179.88
  5. Step 5: Solve for x
    x = 3,102,672,179.88/63,628.35
  6. Step 6: Final answer
    x = 48,762.42

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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.