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Finding the Fourth Proportional to 53,351, 80,030.62 and 15,908.22

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Solution

The fourth proportional to 53,351, 80,030.62 and 15,908.22 is: 23,863.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,351 : 80,030.62 = 15,908.22 : x
  2. Step 2: Convert to fraction form
    53,351/80,030.62 = 15,908.22/x
  3. Step 3: Cross multiply
    53,351x = 80,030.62 × 15,908.22
  4. Step 4: Simplify right side
    53,351x = 1,273,144,709.70
  5. Step 5: Solve for x
    x = 1,273,144,709.70/53,351
  6. Step 6: Final answer
    x = 23,863.56

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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.