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Finding the Fourth Proportional to 53,343.25, 80,019 and 15,900.46

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Solution

The fourth proportional to 53,343.25, 80,019 and 15,900.46 is: 23,851.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,343.25 : 80,019 = 15,900.46 : x
  2. Step 2: Convert to fraction form
    53,343.25/80,019 = 15,900.46/x
  3. Step 3: Cross multiply
    53,343.25x = 80,019 × 15,900.46
  4. Step 4: Simplify right side
    53,343.25x = 1,272,338,708.69
  5. Step 5: Solve for x
    x = 1,272,338,708.69/53,343.25
  6. Step 6: Final answer
    x = 23,851.92

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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.