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Finding the Fourth Proportional to 10,609.99, 14,640.15 and 6,132.87

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Solution

The fourth proportional to 10,609.99, 14,640.15 and 6,132.87 is: 8,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609.99 : 14,640.15 = 6,132.87 : x
  2. Step 2: Convert to fraction form
    10,609.99/14,640.15 = 6,132.87/x
  3. Step 3: Cross multiply
    10,609.99x = 14,640.15 × 6,132.87
  4. Step 4: Simplify right side
    10,609.99x = 89,786,136.73
  5. Step 5: Solve for x
    x = 89,786,136.73/10,609.99
  6. Step 6: Final answer
    x = 8,462.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.