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Finding the Fourth Proportional to 31,844.80, 47,776.80 and 17,060.80

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Solution

The fourth proportional to 31,844.80, 47,776.80 and 17,060.80 is: 25,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,844.80 : 47,776.80 = 17,060.80 : x
  2. Step 2: Convert to fraction form
    31,844.80/47,776.80 = 17,060.80/x
  3. Step 3: Cross multiply
    31,844.80x = 47,776.80 × 17,060.80
  4. Step 4: Simplify right side
    31,844.80x = 815,110,429.44
  5. Step 5: Solve for x
    x = 815,110,429.44/31,844.80
  6. Step 6: Final answer
    x = 25,596.34

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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.