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Finding the Fourth Proportional to 63,649.08, 87,838.38 and 35,355

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Solution

The fourth proportional to 63,649.08, 87,838.38 and 35,355 is: 48,791.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,649.08 : 87,838.38 = 35,355 : x
  2. Step 2: Convert to fraction form
    63,649.08/87,838.38 = 35,355/x
  3. Step 3: Cross multiply
    63,649.08x = 87,838.38 × 35,355
  4. Step 4: Simplify right side
    63,649.08x = 3,105,525,924.90
  5. Step 5: Solve for x
    x = 3,105,525,924.90/63,649.08
  6. Step 6: Final answer
    x = 48,791.37

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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.