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Finding the Fourth Proportional to 53,675.32, 80,512.99 and 16,739.32

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Solution

The fourth proportional to 53,675.32, 80,512.99 and 16,739.32 is: 25,108.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,675.32 : 80,512.99 = 16,739.32 : x
  2. Step 2: Convert to fraction form
    53,675.32/80,512.99 = 16,739.32/x
  3. Step 3: Cross multiply
    53,675.32x = 80,512.99 × 16,739.32
  4. Step 4: Simplify right side
    53,675.32x = 1,347,732,731.17
  5. Step 5: Solve for x
    x = 1,347,732,731.17/53,675.32
  6. Step 6: Final answer
    x = 25,108.98

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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.