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Finding the Fourth Proportional to 29,611.72, 44,401.02 and 12,061

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Solution

The fourth proportional to 29,611.72, 44,401.02 and 12,061 is: 18,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,611.72 : 44,401.02 = 12,061 : x
  2. Step 2: Convert to fraction form
    29,611.72/44,401.02 = 12,061/x
  3. Step 3: Cross multiply
    29,611.72x = 44,401.02 × 12,061
  4. Step 4: Simplify right side
    29,611.72x = 535,520,702.22
  5. Step 5: Solve for x
    x = 535,520,702.22/29,611.72
  6. Step 6: Final answer
    x = 18,084.76

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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.