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Finding the Fourth Proportional to 11,668.93, 16,102.97 and 6,363.63

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Solution

The fourth proportional to 11,668.93, 16,102.97 and 6,363.63 is: 8,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.93 : 16,102.97 = 6,363.63 : x
  2. Step 2: Convert to fraction form
    11,668.93/16,102.97 = 6,363.63/x
  3. Step 3: Cross multiply
    11,668.93x = 16,102.97 × 6,363.63
  4. Step 4: Simplify right side
    11,668.93x = 102,473,335.03
  5. Step 5: Solve for x
    x = 102,473,335.03/11,668.93
  6. Step 6: Final answer
    x = 8,781.73

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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.