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Finding the Fourth Proportional to 29,764.46, 44,648.29 and 8,987.42

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Solution

The fourth proportional to 29,764.46, 44,648.29 and 8,987.42 is: 13,481.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,764.46 : 44,648.29 = 8,987.42 : x
  2. Step 2: Convert to fraction form
    29,764.46/44,648.29 = 8,987.42/x
  3. Step 3: Cross multiply
    29,764.46x = 44,648.29 × 8,987.42
  4. Step 4: Simplify right side
    29,764.46x = 401,272,934.51
  5. Step 5: Solve for x
    x = 401,272,934.51/29,764.46
  6. Step 6: Final answer
    x = 13,481.61

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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.