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Finding the Fourth Proportional to 4,410.99, 6,616.49 and 1,812.11

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Solution

The fourth proportional to 4,410.99, 6,616.49 and 1,812.11 is: 2,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,410.99 : 6,616.49 = 1,812.11 : x
  2. Step 2: Convert to fraction form
    4,410.99/6,616.49 = 1,812.11/x
  3. Step 3: Cross multiply
    4,410.99x = 6,616.49 × 1,812.11
  4. Step 4: Simplify right side
    4,410.99x = 11,989,765.55
  5. Step 5: Solve for x
    x = 11,989,765.55/4,410.99
  6. Step 6: Final answer
    x = 2,718.16

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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.