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Finding the Fourth Proportional to 63,573.81, 87,735.93 and 35,279.49

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Solution

The fourth proportional to 63,573.81, 87,735.93 and 35,279.49 is: 48,687.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,573.81 : 87,735.93 = 35,279.49 : x
  2. Step 2: Convert to fraction form
    63,573.81/87,735.93 = 35,279.49/x
  3. Step 3: Cross multiply
    63,573.81x = 87,735.93 × 35,279.49
  4. Step 4: Simplify right side
    63,573.81x = 3,095,278,865.08
  5. Step 5: Solve for x
    x = 3,095,278,865.08/63,573.81
  6. Step 6: Final answer
    x = 48,687.96

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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.