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Finding the Fourth Proportional to 3,650.99, 5,475.04 and 1,571.15

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Solution

The fourth proportional to 3,650.99, 5,475.04 and 1,571.15 is: 2,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.99 : 5,475.04 = 1,571.15 : x
  2. Step 2: Convert to fraction form
    3,650.99/5,475.04 = 1,571.15/x
  3. Step 3: Cross multiply
    3,650.99x = 5,475.04 × 1,571.15
  4. Step 4: Simplify right side
    3,650.99x = 8,602,107.16
  5. Step 5: Solve for x
    x = 8,602,107.16/3,650.99
  6. Step 6: Final answer
    x = 2,356.10

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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.