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Finding the Fourth Proportional to 53,314.44, 80,020.02 and 28,375.49

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Solution

The fourth proportional to 53,314.44, 80,020.02 and 28,375.49 is: 42,588.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,314.44 : 80,020.02 = 28,375.49 : x
  2. Step 2: Convert to fraction form
    53,314.44/80,020.02 = 28,375.49/x
  3. Step 3: Cross multiply
    53,314.44x = 80,020.02 × 28,375.49
  4. Step 4: Simplify right side
    53,314.44x = 2,270,606,877.21
  5. Step 5: Solve for x
    x = 2,270,606,877.21/53,314.44
  6. Step 6: Final answer
    x = 42,588.97

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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.