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Finding the Fourth Proportional to 15,270.62, 22,906.38 and 5,416.70

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Solution

The fourth proportional to 15,270.62, 22,906.38 and 5,416.70 is: 8,125.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270.62 : 22,906.38 = 5,416.70 : x
  2. Step 2: Convert to fraction form
    15,270.62/22,906.38 = 5,416.70/x
  3. Step 3: Cross multiply
    15,270.62x = 22,906.38 × 5,416.70
  4. Step 4: Simplify right side
    15,270.62x = 124,076,988.55
  5. Step 5: Solve for x
    x = 124,076,988.55/15,270.62
  6. Step 6: Final answer
    x = 8,125.21

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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.