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Finding the Fourth Proportional to 3,662.76, 5,495.10 and 1,611.24

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Solution

The fourth proportional to 3,662.76, 5,495.10 and 1,611.24 is: 2,417.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662.76 : 5,495.10 = 1,611.24 : x
  2. Step 2: Convert to fraction form
    3,662.76/5,495.10 = 1,611.24/x
  3. Step 3: Cross multiply
    3,662.76x = 5,495.10 × 1,611.24
  4. Step 4: Simplify right side
    3,662.76x = 8,853,924.92
  5. Step 5: Solve for x
    x = 8,853,924.92/3,662.76
  6. Step 6: Final answer
    x = 2,417.28

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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.