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Finding the Fourth Proportional to 53,373.52, 80,060.28 and 13,930.29

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Solution

The fourth proportional to 53,373.52, 80,060.28 and 13,930.29 is: 20,895.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,373.52 : 80,060.28 = 13,930.29 : x
  2. Step 2: Convert to fraction form
    53,373.52/80,060.28 = 13,930.29/x
  3. Step 3: Cross multiply
    53,373.52x = 80,060.28 × 13,930.29
  4. Step 4: Simplify right side
    53,373.52x = 1,115,262,917.88
  5. Step 5: Solve for x
    x = 1,115,262,917.88/53,373.52
  6. Step 6: Final answer
    x = 20,895.44

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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.