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Finding the Fourth Proportional to 14,322.13, 19,764.67 and 8,034.64

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Solution

The fourth proportional to 14,322.13, 19,764.67 and 8,034.64 is: 11,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322.13 : 19,764.67 = 8,034.64 : x
  2. Step 2: Convert to fraction form
    14,322.13/19,764.67 = 8,034.64/x
  3. Step 3: Cross multiply
    14,322.13x = 19,764.67 × 8,034.64
  4. Step 4: Simplify right side
    14,322.13x = 158,801,909.35
  5. Step 5: Solve for x
    x = 158,801,909.35/14,322.13
  6. Step 6: Final answer
    x = 11,087.87

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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.