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Finding the Fourth Proportional to 18,187.22, 27,291.06 and 7,094.68

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Solution

The fourth proportional to 18,187.22, 27,291.06 and 7,094.68 is: 10,646.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.22 : 27,291.06 = 7,094.68 : x
  2. Step 2: Convert to fraction form
    18,187.22/27,291.06 = 7,094.68/x
  3. Step 3: Cross multiply
    18,187.22x = 27,291.06 × 7,094.68
  4. Step 4: Simplify right side
    18,187.22x = 193,621,337.56
  5. Step 5: Solve for x
    x = 193,621,337.56/18,187.22
  6. Step 6: Final answer
    x = 10,646.01

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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.