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Finding the Fourth Proportional to 11,953.52, 17,910.84 and 9,474.92

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Solution

The fourth proportional to 11,953.52, 17,910.84 and 9,474.92 is: 14,196.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,953.52 : 17,910.84 = 9,474.92 : x
  2. Step 2: Convert to fraction form
    11,953.52/17,910.84 = 9,474.92/x
  3. Step 3: Cross multiply
    11,953.52x = 17,910.84 × 9,474.92
  4. Step 4: Simplify right side
    11,953.52x = 169,703,776.13
  5. Step 5: Solve for x
    x = 169,703,776.13/11,953.52
  6. Step 6: Final answer
    x = 14,196.97

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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.