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Finding the Fourth Proportional to 3,563.99, 5,346.74 and 1,809.22

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Solution

The fourth proportional to 3,563.99, 5,346.74 and 1,809.22 is: 2,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.99 : 5,346.74 = 1,809.22 : x
  2. Step 2: Convert to fraction form
    3,563.99/5,346.74 = 1,809.22/x
  3. Step 3: Cross multiply
    3,563.99x = 5,346.74 × 1,809.22
  4. Step 4: Simplify right side
    3,563.99x = 9,673,428.94
  5. Step 5: Solve for x
    x = 9,673,428.94/3,563.99
  6. Step 6: Final answer
    x = 2,714.21

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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.