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Finding the Fourth Proportional to 3,662.90, 5,495.76 and 2,203.10

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Solution

The fourth proportional to 3,662.90, 5,495.76 and 2,203.10 is: 3,305.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662.90 : 5,495.76 = 2,203.10 : x
  2. Step 2: Convert to fraction form
    3,662.90/5,495.76 = 2,203.10/x
  3. Step 3: Cross multiply
    3,662.90x = 5,495.76 × 2,203.10
  4. Step 4: Simplify right side
    3,662.90x = 12,107,708.86
  5. Step 5: Solve for x
    x = 12,107,708.86/3,662.90
  6. Step 6: Final answer
    x = 3,305.50

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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.