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Finding the Fourth Proportional to 3,714.45, 5,571.49 and 941.17

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Solution

The fourth proportional to 3,714.45, 5,571.49 and 941.17 is: 1,411.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.45 : 5,571.49 = 941.17 : x
  2. Step 2: Convert to fraction form
    3,714.45/5,571.49 = 941.17/x
  3. Step 3: Cross multiply
    3,714.45x = 5,571.49 × 941.17
  4. Step 4: Simplify right side
    3,714.45x = 5,243,719.24
  5. Step 5: Solve for x
    x = 5,243,719.24/3,714.45
  6. Step 6: Final answer
    x = 1,411.71

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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.