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Finding the Fourth Proportional to 63,722.13, 87,935.10 and 34,649.87

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Solution

The fourth proportional to 63,722.13, 87,935.10 and 34,649.87 is: 47,816.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,722.13 : 87,935.10 = 34,649.87 : x
  2. Step 2: Convert to fraction form
    63,722.13/87,935.10 = 34,649.87/x
  3. Step 3: Cross multiply
    63,722.13x = 87,935.10 × 34,649.87
  4. Step 4: Simplify right side
    63,722.13x = 3,046,939,213.82
  5. Step 5: Solve for x
    x = 3,046,939,213.82/63,722.13
  6. Step 6: Final answer
    x = 47,816.03

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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.