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Finding the Fourth Proportional to 18,358.08, 27,537.21 and 4,507.08

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Solution

The fourth proportional to 18,358.08, 27,537.21 and 4,507.08 is: 6,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.08 : 27,537.21 = 4,507.08 : x
  2. Step 2: Convert to fraction form
    18,358.08/27,537.21 = 4,507.08/x
  3. Step 3: Cross multiply
    18,358.08x = 27,537.21 × 4,507.08
  4. Step 4: Simplify right side
    18,358.08x = 124,112,408.45
  5. Step 5: Solve for x
    x = 124,112,408.45/18,358.08
  6. Step 6: Final answer
    x = 6,760.64

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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.