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Finding the Fourth Proportional to 29,687.61, 44,523.64 and 8,622.01

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Solution

The fourth proportional to 29,687.61, 44,523.64 and 8,622.01 is: 12,930.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,687.61 : 44,523.64 = 8,622.01 : x
  2. Step 2: Convert to fraction form
    29,687.61/44,523.64 = 8,622.01/x
  3. Step 3: Cross multiply
    29,687.61x = 44,523.64 × 8,622.01
  4. Step 4: Simplify right side
    29,687.61x = 383,883,269.32
  5. Step 5: Solve for x
    x = 383,883,269.32/29,687.61
  6. Step 6: Final answer
    x = 12,930.76

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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.