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Finding the Fourth Proportional to 45,503.47, 68,254.53 and 27,739.36

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Solution

The fourth proportional to 45,503.47, 68,254.53 and 27,739.36 is: 41,608.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,503.47 : 68,254.53 = 27,739.36 : x
  2. Step 2: Convert to fraction form
    45,503.47/68,254.53 = 27,739.36/x
  3. Step 3: Cross multiply
    45,503.47x = 68,254.53 × 27,739.36
  4. Step 4: Simplify right side
    45,503.47x = 1,893,336,979.30
  5. Step 5: Solve for x
    x = 1,893,336,979.30/45,503.47
  6. Step 6: Final answer
    x = 41,608.63

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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.