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Finding the Fourth Proportional to 27,170.58, 40,753.14 and 7,451.12

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Solution

The fourth proportional to 27,170.58, 40,753.14 and 7,451.12 is: 11,175.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.58 : 40,753.14 = 7,451.12 : x
  2. Step 2: Convert to fraction form
    27,170.58/40,753.14 = 7,451.12/x
  3. Step 3: Cross multiply
    27,170.58x = 40,753.14 × 7,451.12
  4. Step 4: Simplify right side
    27,170.58x = 303,656,536.52
  5. Step 5: Solve for x
    x = 303,656,536.52/27,170.58
  6. Step 6: Final answer
    x = 11,175.93

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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.