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Finding the Fourth Proportional to 19,092.88, 28,630.06 and 6,613.62

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Solution

The fourth proportional to 19,092.88, 28,630.06 and 6,613.62 is: 9,917.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,092.88 : 28,630.06 = 6,613.62 : x
  2. Step 2: Convert to fraction form
    19,092.88/28,630.06 = 6,613.62/x
  3. Step 3: Cross multiply
    19,092.88x = 28,630.06 × 6,613.62
  4. Step 4: Simplify right side
    19,092.88x = 189,348,337.42
  5. Step 5: Solve for x
    x = 189,348,337.42/19,092.88
  6. Step 6: Final answer
    x = 9,917.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.