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Finding the Fourth Proportional to 17,611.17, 26,407.03 and 7,230.21

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Solution

The fourth proportional to 17,611.17, 26,407.03 and 7,230.21 is: 10,841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,611.17 : 26,407.03 = 7,230.21 : x
  2. Step 2: Convert to fraction form
    17,611.17/26,407.03 = 7,230.21/x
  3. Step 3: Cross multiply
    17,611.17x = 26,407.03 × 7,230.21
  4. Step 4: Simplify right side
    17,611.17x = 190,928,372.38
  5. Step 5: Solve for x
    x = 190,928,372.38/17,611.17
  6. Step 6: Final answer
    x = 10,841.32

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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.