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Finding the Fourth Proportional to 29,668.85, 44,510.21 and 8,609.40

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Solution

The fourth proportional to 29,668.85, 44,510.21 and 8,609.40 is: 12,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,668.85 : 44,510.21 = 8,609.40 : x
  2. Step 2: Convert to fraction form
    29,668.85/44,510.21 = 8,609.40/x
  3. Step 3: Cross multiply
    29,668.85x = 44,510.21 × 8,609.40
  4. Step 4: Simplify right side
    29,668.85x = 383,206,158.93
  5. Step 5: Solve for x
    x = 383,206,158.93/29,668.85
  6. Step 6: Final answer
    x = 12,916.11

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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.