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Finding the Fourth Proportional to 53,825.36, 80,751.02 and 16,889.36

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Solution

The fourth proportional to 53,825.36, 80,751.02 and 16,889.36 is: 25,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,825.36 : 80,751.02 = 16,889.36 : x
  2. Step 2: Convert to fraction form
    53,825.36/80,751.02 = 16,889.36/x
  3. Step 3: Cross multiply
    53,825.36x = 80,751.02 × 16,889.36
  4. Step 4: Simplify right side
    53,825.36x = 1,363,833,047.15
  5. Step 5: Solve for x
    x = 1,363,833,047.15/53,825.36
  6. Step 6: Final answer
    x = 25,338.11

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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.