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Finding the Fourth Proportional to 4,417.42, 6,622.04 and 1,917.02

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Solution

The fourth proportional to 4,417.42, 6,622.04 and 1,917.02 is: 2,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,417.42 : 6,622.04 = 1,917.02 : x
  2. Step 2: Convert to fraction form
    4,417.42/6,622.04 = 1,917.02/x
  3. Step 3: Cross multiply
    4,417.42x = 6,622.04 × 1,917.02
  4. Step 4: Simplify right side
    4,417.42x = 12,694,583.12
  5. Step 5: Solve for x
    x = 12,694,583.12/4,417.42
  6. Step 6: Final answer
    x = 2,873.76

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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.