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Finding the Fourth Proportional to 63,873.30, 88,144 and 35,578.38

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Solution

The fourth proportional to 63,873.30, 88,144 and 35,578.38 is: 49,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,873.30 : 88,144 = 35,578.38 : x
  2. Step 2: Convert to fraction form
    63,873.30/88,144 = 35,578.38/x
  3. Step 3: Cross multiply
    63,873.30x = 88,144 × 35,578.38
  4. Step 4: Simplify right side
    63,873.30x = 3,136,020,726.72
  5. Step 5: Solve for x
    x = 3,136,020,726.72/63,873.30
  6. Step 6: Final answer
    x = 49,097.52

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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.