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Finding the Fourth Proportional to 18,249.30, 27,354.96 and 10,342.08

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Solution

The fourth proportional to 18,249.30, 27,354.96 and 10,342.08 is: 15,502.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.30 : 27,354.96 = 10,342.08 : x
  2. Step 2: Convert to fraction form
    18,249.30/27,354.96 = 10,342.08/x
  3. Step 3: Cross multiply
    18,249.30x = 27,354.96 × 10,342.08
  4. Step 4: Simplify right side
    18,249.30x = 282,907,184.72
  5. Step 5: Solve for x
    x = 282,907,184.72/18,249.30
  6. Step 6: Final answer
    x = 15,502.36

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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.