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Finding the Fourth Proportional to 18,153.15, 27,239.40 and 7,060.20

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Solution

The fourth proportional to 18,153.15, 27,239.40 and 7,060.20 is: 10,594.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.15 : 27,239.40 = 7,060.20 : x
  2. Step 2: Convert to fraction form
    18,153.15/27,239.40 = 7,060.20/x
  3. Step 3: Cross multiply
    18,153.15x = 27,239.40 × 7,060.20
  4. Step 4: Simplify right side
    18,153.15x = 192,315,611.88
  5. Step 5: Solve for x
    x = 192,315,611.88/18,153.15
  6. Step 6: Final answer
    x = 10,594.06

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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.