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Finding the Fourth Proportional to 3,571.89, 4,929.44 and 2,000.10

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Solution

The fourth proportional to 3,571.89, 4,929.44 and 2,000.10 is: 2,760.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.89 : 4,929.44 = 2,000.10 : x
  2. Step 2: Convert to fraction form
    3,571.89/4,929.44 = 2,000.10/x
  3. Step 3: Cross multiply
    3,571.89x = 4,929.44 × 2,000.10
  4. Step 4: Simplify right side
    3,571.89x = 9,859,372.94
  5. Step 5: Solve for x
    x = 9,859,372.94/3,571.89
  6. Step 6: Final answer
    x = 2,760.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.