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Finding the Fourth Proportional to 53,613.18, 73,987.62 and 29,738.40

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Solution

The fourth proportional to 53,613.18, 73,987.62 and 29,738.40 is: 41,039.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,613.18 : 73,987.62 = 29,738.40 : x
  2. Step 2: Convert to fraction form
    53,613.18/73,987.62 = 29,738.40/x
  3. Step 3: Cross multiply
    53,613.18x = 73,987.62 × 29,738.40
  4. Step 4: Simplify right side
    53,613.18x = 2,200,273,438.61
  5. Step 5: Solve for x
    x = 2,200,273,438.61/53,613.18
  6. Step 6: Final answer
    x = 41,039.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.