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Finding the Fourth Proportional to 63,991.08, 88,310.42 and 35,696.76

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Solution

The fourth proportional to 63,991.08, 88,310.42 and 35,696.76 is: 49,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,991.08 : 88,310.42 = 35,696.76 : x
  2. Step 2: Convert to fraction form
    63,991.08/88,310.42 = 35,696.76/x
  3. Step 3: Cross multiply
    63,991.08x = 88,310.42 × 35,696.76
  4. Step 4: Simplify right side
    63,991.08x = 3,152,395,868.24
  5. Step 5: Solve for x
    x = 3,152,395,868.24/63,991.08
  6. Step 6: Final answer
    x = 49,263.05

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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.