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Finding the Fourth Proportional to 29,687.84, 44,534.68 and 8,628.06

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Solution

The fourth proportional to 29,687.84, 44,534.68 and 8,628.06 is: 12,942.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,687.84 : 44,534.68 = 8,628.06 : x
  2. Step 2: Convert to fraction form
    29,687.84/44,534.68 = 8,628.06/x
  3. Step 3: Cross multiply
    29,687.84x = 44,534.68 × 8,628.06
  4. Step 4: Simplify right side
    29,687.84x = 384,247,869.55
  5. Step 5: Solve for x
    x = 384,247,869.55/29,687.84
  6. Step 6: Final answer
    x = 12,942.94

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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.