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Finding the Fourth Proportional to 18,161.79, 27,244.25 and 5,014.16

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Solution

The fourth proportional to 18,161.79, 27,244.25 and 5,014.16 is: 7,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.79 : 27,244.25 = 5,014.16 : x
  2. Step 2: Convert to fraction form
    18,161.79/27,244.25 = 5,014.16/x
  3. Step 3: Cross multiply
    18,161.79x = 27,244.25 × 5,014.16
  4. Step 4: Simplify right side
    18,161.79x = 136,607,109.23
  5. Step 5: Solve for x
    x = 136,607,109.23/18,161.79
  6. Step 6: Final answer
    x = 7,521.68

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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.