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Finding the Fourth Proportional to 14,786.91, 22,161.91 and 7,393.48

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Solution

The fourth proportional to 14,786.91, 22,161.91 and 7,393.48 is: 11,080.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786.91 : 22,161.91 = 7,393.48 : x
  2. Step 2: Convert to fraction form
    14,786.91/22,161.91 = 7,393.48/x
  3. Step 3: Cross multiply
    14,786.91x = 22,161.91 × 7,393.48
  4. Step 4: Simplify right side
    14,786.91x = 163,853,656.78
  5. Step 5: Solve for x
    x = 163,853,656.78/14,786.91
  6. Step 6: Final answer
    x = 11,080.99

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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.