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Finding the Fourth Proportional to 29,371.60, 44,060.10 and 8,311.60

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Solution

The fourth proportional to 29,371.60, 44,060.10 and 8,311.60 is: 12,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,371.60 : 44,060.10 = 8,311.60 : x
  2. Step 2: Convert to fraction form
    29,371.60/44,060.10 = 8,311.60/x
  3. Step 3: Cross multiply
    29,371.60x = 44,060.10 × 8,311.60
  4. Step 4: Simplify right side
    29,371.60x = 366,209,927.16
  5. Step 5: Solve for x
    x = 366,209,927.16/29,371.60
  6. Step 6: Final answer
    x = 12,468.16

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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.