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Finding the Fourth Proportional to 19,194.12, 28,753.02 and 15,014.61

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Solution

The fourth proportional to 19,194.12, 28,753.02 and 15,014.61 is: 22,492.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.12 : 28,753.02 = 15,014.61 : x
  2. Step 2: Convert to fraction form
    19,194.12/28,753.02 = 15,014.61/x
  3. Step 3: Cross multiply
    19,194.12x = 28,753.02 × 15,014.61
  4. Step 4: Simplify right side
    19,194.12x = 431,715,381.62
  5. Step 5: Solve for x
    x = 431,715,381.62/19,194.12
  6. Step 6: Final answer
    x = 22,492.06

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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.