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Finding the Fourth Proportional to 63,991.68, 88,310.40 and 35,696.76

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Solution

The fourth proportional to 63,991.68, 88,310.40 and 35,696.76 is: 49,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,991.68 : 88,310.40 = 35,696.76 : x
  2. Step 2: Convert to fraction form
    63,991.68/88,310.40 = 35,696.76/x
  3. Step 3: Cross multiply
    63,991.68x = 88,310.40 × 35,696.76
  4. Step 4: Simplify right side
    63,991.68x = 3,152,395,154.30
  5. Step 5: Solve for x
    x = 3,152,395,154.30/63,991.68
  6. Step 6: Final answer
    x = 49,262.58

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1.5x scale

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.