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Finding the Fourth Proportional to 18,606.99, 27,910.58 and 9,244.81

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Solution

The fourth proportional to 18,606.99, 27,910.58 and 9,244.81 is: 13,867.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.99 : 27,910.58 = 9,244.81 : x
  2. Step 2: Convert to fraction form
    18,606.99/27,910.58 = 9,244.81/x
  3. Step 3: Cross multiply
    18,606.99x = 27,910.58 × 9,244.81
  4. Step 4: Simplify right side
    18,606.99x = 258,027,840.76
  5. Step 5: Solve for x
    x = 258,027,840.76/18,606.99
  6. Step 6: Final answer
    x = 13,867.25

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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.