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Finding the Fourth Proportional to 63,878.30, 88,150.91 and 35,583.38

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Solution

The fourth proportional to 63,878.30, 88,150.91 and 35,583.38 is: 49,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,878.30 : 88,150.91 = 35,583.38 : x
  2. Step 2: Convert to fraction form
    63,878.30/88,150.91 = 35,583.38/x
  3. Step 3: Cross multiply
    63,878.30x = 88,150.91 × 35,583.38
  4. Step 4: Simplify right side
    63,878.30x = 3,136,706,709.20
  5. Step 5: Solve for x
    x = 3,136,706,709.20/63,878.30
  6. Step 6: Final answer
    x = 49,104.42

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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.