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Finding the Fourth Proportional to 3,549.87, 5,328.11 and 1,796.12

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Solution

The fourth proportional to 3,549.87, 5,328.11 and 1,796.12 is: 2,695.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.87 : 5,328.11 = 1,796.12 : x
  2. Step 2: Convert to fraction form
    3,549.87/5,328.11 = 1,796.12/x
  3. Step 3: Cross multiply
    3,549.87x = 5,328.11 × 1,796.12
  4. Step 4: Simplify right side
    3,549.87x = 9,569,889.31
  5. Step 5: Solve for x
    x = 9,569,889.31/3,549.87
  6. Step 6: Final answer
    x = 2,695.84

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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.