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Finding the Fourth Proportional to 11,600.99, 16,009.67 and 6,295.80

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Solution

The fourth proportional to 11,600.99, 16,009.67 and 6,295.80 is: 8,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,600.99 : 16,009.67 = 6,295.80 : x
  2. Step 2: Convert to fraction form
    11,600.99/16,009.67 = 6,295.80/x
  3. Step 3: Cross multiply
    11,600.99x = 16,009.67 × 6,295.80
  4. Step 4: Simplify right side
    11,600.99x = 100,793,756.16
  5. Step 5: Solve for x
    x = 100,793,756.16/11,600.99
  6. Step 6: Final answer
    x = 8,688.38

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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.