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Finding the Fourth Proportional to 17,611.16, 26,427.47 and 7,079.20

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Solution

The fourth proportional to 17,611.16, 26,427.47 and 7,079.20 is: 10,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,611.16 : 26,427.47 = 7,079.20 : x
  2. Step 2: Convert to fraction form
    17,611.16/26,427.47 = 7,079.20/x
  3. Step 3: Cross multiply
    17,611.16x = 26,427.47 × 7,079.20
  4. Step 4: Simplify right side
    17,611.16x = 187,085,244.16
  5. Step 5: Solve for x
    x = 187,085,244.16/17,611.16
  6. Step 6: Final answer
    x = 10,623.11

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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.