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Finding the Fourth Proportional to 2,624.86, 3,622.32 and 1,505.84

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Solution

The fourth proportional to 2,624.86, 3,622.32 and 1,505.84 is: 2,078.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.86 : 3,622.32 = 1,505.84 : x
  2. Step 2: Convert to fraction form
    2,624.86/3,622.32 = 1,505.84/x
  3. Step 3: Cross multiply
    2,624.86x = 3,622.32 × 1,505.84
  4. Step 4: Simplify right side
    2,624.86x = 5,454,634.35
  5. Step 5: Solve for x
    x = 5,454,634.35/2,624.86
  6. Step 6: Final answer
    x = 2,078.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.