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Finding the Fourth Proportional to 2,416.33, 3,624.53 and 684.95

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Solution

The fourth proportional to 2,416.33, 3,624.53 and 684.95 is: 1,027.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.33 : 3,624.53 = 684.95 : x
  2. Step 2: Convert to fraction form
    2,416.33/3,624.53 = 684.95/x
  3. Step 3: Cross multiply
    2,416.33x = 3,624.53 × 684.95
  4. Step 4: Simplify right side
    2,416.33x = 2,482,627.46
  5. Step 5: Solve for x
    x = 2,482,627.46/2,416.33
  6. Step 6: Final answer
    x = 1,027.44

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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.