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Finding the Fourth Proportional to 53,231.65, 79,847.51 and 29,874.49

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Solution

The fourth proportional to 53,231.65, 79,847.51 and 29,874.49 is: 44,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,231.65 : 79,847.51 = 29,874.49 : x
  2. Step 2: Convert to fraction form
    53,231.65/79,847.51 = 29,874.49/x
  3. Step 3: Cross multiply
    53,231.65x = 79,847.51 × 29,874.49
  4. Step 4: Simplify right side
    53,231.65x = 2,385,403,290.03
  5. Step 5: Solve for x
    x = 2,385,403,290.03/53,231.65
  6. Step 6: Final answer
    x = 44,811.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.