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Finding the Fourth Proportional to 16,987.97, 25,472.70 and 5,893.80

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Solution

The fourth proportional to 16,987.97, 25,472.70 and 5,893.80 is: 8,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.97 : 25,472.70 = 5,893.80 : x
  2. Step 2: Convert to fraction form
    16,987.97/25,472.70 = 5,893.80/x
  3. Step 3: Cross multiply
    16,987.97x = 25,472.70 × 5,893.80
  4. Step 4: Simplify right side
    16,987.97x = 150,130,999.26
  5. Step 5: Solve for x
    x = 150,130,999.26/16,987.97
  6. Step 6: Final answer
    x = 8,837.49

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1.5x scale

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.