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Finding the Fourth Proportional to 18,347.62, 27,505.88 and 7,262.14

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Solution

The fourth proportional to 18,347.62, 27,505.88 and 7,262.14 is: 10,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.62 : 27,505.88 = 7,262.14 : x
  2. Step 2: Convert to fraction form
    18,347.62/27,505.88 = 7,262.14/x
  3. Step 3: Cross multiply
    18,347.62x = 27,505.88 × 7,262.14
  4. Step 4: Simplify right side
    18,347.62x = 199,751,551.38
  5. Step 5: Solve for x
    x = 199,751,551.38/18,347.62
  6. Step 6: Final answer
    x = 10,887.06

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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.