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Finding the Fourth Proportional to 29,328.70, 43,993.05 and 9,607.90

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Solution

The fourth proportional to 29,328.70, 43,993.05 and 9,607.90 is: 14,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,328.70 : 43,993.05 = 9,607.90 : x
  2. Step 2: Convert to fraction form
    29,328.70/43,993.05 = 9,607.90/x
  3. Step 3: Cross multiply
    29,328.70x = 43,993.05 × 9,607.90
  4. Step 4: Simplify right side
    29,328.70x = 422,680,825.10
  5. Step 5: Solve for x
    x = 422,680,825.10/29,328.70
  6. Step 6: Final answer
    x = 14,411.85

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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.