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Finding the Fourth Proportional to 18,507.53, 27,764.04 and 5,358.26

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Solution

The fourth proportional to 18,507.53, 27,764.04 and 5,358.26 is: 8,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,507.53 : 27,764.04 = 5,358.26 : x
  2. Step 2: Convert to fraction form
    18,507.53/27,764.04 = 5,358.26/x
  3. Step 3: Cross multiply
    18,507.53x = 27,764.04 × 5,358.26
  4. Step 4: Simplify right side
    18,507.53x = 148,766,944.97
  5. Step 5: Solve for x
    x = 148,766,944.97/18,507.53
  6. Step 6: Final answer
    x = 8,038.18

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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.