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Finding the Fourth Proportional to 17,753.20, 24,507.20 and 11,789.98

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Solution

The fourth proportional to 17,753.20, 24,507.20 and 11,789.98 is: 16,275.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,753.20 : 24,507.20 = 11,789.98 : x
  2. Step 2: Convert to fraction form
    17,753.20/24,507.20 = 11,789.98/x
  3. Step 3: Cross multiply
    17,753.20x = 24,507.20 × 11,789.98
  4. Step 4: Simplify right side
    17,753.20x = 288,939,216.37
  5. Step 5: Solve for x
    x = 288,939,216.37/17,753.20
  6. Step 6: Final answer
    x = 16,275.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.