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Finding the Fourth Proportional to 27,175.17, 40,762.77 and 7,453.87

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Solution

The fourth proportional to 27,175.17, 40,762.77 and 7,453.87 is: 11,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,175.17 : 40,762.77 = 7,453.87 : x
  2. Step 2: Convert to fraction form
    27,175.17/40,762.77 = 7,453.87/x
  3. Step 3: Cross multiply
    27,175.17x = 40,762.77 × 7,453.87
  4. Step 4: Simplify right side
    27,175.17x = 303,840,388.42
  5. Step 5: Solve for x
    x = 303,840,388.42/27,175.17
  6. Step 6: Final answer
    x = 11,180.81

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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.