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Finding the Fourth Proportional to 53,393.85, 80,089.74 and 15,954.03

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Solution

The fourth proportional to 53,393.85, 80,089.74 and 15,954.03 is: 23,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,393.85 : 80,089.74 = 15,954.03 : x
  2. Step 2: Convert to fraction form
    53,393.85/80,089.74 = 15,954.03/x
  3. Step 3: Cross multiply
    53,393.85x = 80,089.74 × 15,954.03
  4. Step 4: Simplify right side
    53,393.85x = 1,277,754,114.65
  5. Step 5: Solve for x
    x = 1,277,754,114.65/53,393.85
  6. Step 6: Final answer
    x = 23,930.74

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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.