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Finding the Fourth Proportional to 29,686.72, 44,532.99 and 8,626.94

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Solution

The fourth proportional to 29,686.72, 44,532.99 and 8,626.94 is: 12,941.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,686.72 : 44,532.99 = 8,626.94 : x
  2. Step 2: Convert to fraction form
    29,686.72/44,532.99 = 8,626.94/x
  3. Step 3: Cross multiply
    29,686.72x = 44,532.99 × 8,626.94
  4. Step 4: Simplify right side
    29,686.72x = 384,183,210.09
  5. Step 5: Solve for x
    x = 384,183,210.09/29,686.72
  6. Step 6: Final answer
    x = 12,941.25

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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.