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Finding the Fourth Proportional to 3,563.63, 4,917.81 and 2,387.51

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Solution

The fourth proportional to 3,563.63, 4,917.81 and 2,387.51 is: 3,294.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.63 : 4,917.81 = 2,387.51 : x
  2. Step 2: Convert to fraction form
    3,563.63/4,917.81 = 2,387.51/x
  3. Step 3: Cross multiply
    3,563.63x = 4,917.81 × 2,387.51
  4. Step 4: Simplify right side
    3,563.63x = 11,741,295.96
  5. Step 5: Solve for x
    x = 11,741,295.96/3,563.63
  6. Step 6: Final answer
    x = 3,294.76

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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.