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Finding the Fourth Proportional to 63,621.48, 87,798.42 and 35,329.80

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Solution

The fourth proportional to 63,621.48, 87,798.42 and 35,329.80 is: 48,755.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,621.48 : 87,798.42 = 35,329.80 : x
  2. Step 2: Convert to fraction form
    63,621.48/87,798.42 = 35,329.80/x
  3. Step 3: Cross multiply
    63,621.48x = 87,798.42 × 35,329.80
  4. Step 4: Simplify right side
    63,621.48x = 3,101,900,618.92
  5. Step 5: Solve for x
    x = 3,101,900,618.92/63,621.48
  6. Step 6: Final answer
    x = 48,755.56

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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.