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Finding the Fourth Proportional to 3,563.04, 4,916.52 and 1,991.16

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Solution

The fourth proportional to 3,563.04, 4,916.52 and 1,991.16 is: 2,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.04 : 4,916.52 = 1,991.16 : x
  2. Step 2: Convert to fraction form
    3,563.04/4,916.52 = 1,991.16/x
  3. Step 3: Cross multiply
    3,563.04x = 4,916.52 × 1,991.16
  4. Step 4: Simplify right side
    3,563.04x = 9,789,577.96
  5. Step 5: Solve for x
    x = 9,789,577.96/3,563.04
  6. Step 6: Final answer
    x = 2,747.54

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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.