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Finding the Fourth Proportional to 11,109.99, 16,664.98 and 4,449.49

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Solution

The fourth proportional to 11,109.99, 16,664.98 and 4,449.49 is: 6,674.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.99 : 16,664.98 = 4,449.49 : x
  2. Step 2: Convert to fraction form
    11,109.99/16,664.98 = 4,449.49/x
  3. Step 3: Cross multiply
    11,109.99x = 16,664.98 × 4,449.49
  4. Step 4: Simplify right side
    11,109.99x = 74,150,661.86
  5. Step 5: Solve for x
    x = 74,150,661.86/11,109.99
  6. Step 6: Final answer
    x = 6,674.23

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1.5x scale

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.