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Finding the Fourth Proportional to 18,174.60, 27,261.81 and 5,026.86

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Solution

The fourth proportional to 18,174.60, 27,261.81 and 5,026.86 is: 7,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.60 : 27,261.81 = 5,026.86 : x
  2. Step 2: Convert to fraction form
    18,174.60/27,261.81 = 5,026.86/x
  3. Step 3: Cross multiply
    18,174.60x = 27,261.81 × 5,026.86
  4. Step 4: Simplify right side
    18,174.60x = 137,041,302.22
  5. Step 5: Solve for x
    x = 137,041,302.22/18,174.60
  6. Step 6: Final answer
    x = 7,540.27

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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.