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Finding the Fourth Proportional to 63,621.75, 87,801.66 and 35,329.26

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Solution

The fourth proportional to 63,621.75, 87,801.66 and 35,329.26 is: 48,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,621.75 : 87,801.66 = 35,329.26 : x
  2. Step 2: Convert to fraction form
    63,621.75/87,801.66 = 35,329.26/x
  3. Step 3: Cross multiply
    63,621.75x = 87,801.66 × 35,329.26
  4. Step 4: Simplify right side
    63,621.75x = 3,101,967,674.57
  5. Step 5: Solve for x
    x = 3,101,967,674.57/63,621.75
  6. Step 6: Final answer
    x = 48,756.40

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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.