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Finding the Fourth Proportional to 3,617.66, 4,992.94 and 2,622.58

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Solution

The fourth proportional to 3,617.66, 4,992.94 and 2,622.58 is: 3,619.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.66 : 4,992.94 = 2,622.58 : x
  2. Step 2: Convert to fraction form
    3,617.66/4,992.94 = 2,622.58/x
  3. Step 3: Cross multiply
    3,617.66x = 4,992.94 × 2,622.58
  4. Step 4: Simplify right side
    3,617.66x = 13,094,375.38
  5. Step 5: Solve for x
    x = 13,094,375.38/3,617.66
  6. Step 6: Final answer
    x = 3,619.57

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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.