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Finding the Fourth Proportional to 14,372.93, 19,834.42 and 8,085.30

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Solution

The fourth proportional to 14,372.93, 19,834.42 and 8,085.30 is: 11,157.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372.93 : 19,834.42 = 8,085.30 : x
  2. Step 2: Convert to fraction form
    14,372.93/19,834.42 = 8,085.30/x
  3. Step 3: Cross multiply
    14,372.93x = 19,834.42 × 8,085.30
  4. Step 4: Simplify right side
    14,372.93x = 160,367,236.03
  5. Step 5: Solve for x
    x = 160,367,236.03/14,372.93
  6. Step 6: Final answer
    x = 11,157.59

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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.