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Finding the Fourth Proportional to 63,284.83, 87,334.82 and 34,991.53

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Solution

The fourth proportional to 63,284.83, 87,334.82 and 34,991.53 is: 48,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,284.83 : 87,334.82 = 34,991.53 : x
  2. Step 2: Convert to fraction form
    63,284.83/87,334.82 = 34,991.53/x
  3. Step 3: Cross multiply
    63,284.83x = 87,334.82 × 34,991.53
  4. Step 4: Simplify right side
    63,284.83x = 3,055,978,974.07
  5. Step 5: Solve for x
    x = 3,055,978,974.07/63,284.83
  6. Step 6: Final answer
    x = 48,289.28

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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.