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Finding the Fourth Proportional to 1,784.84, 2,671.26 and 1,716.68

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Solution

The fourth proportional to 1,784.84, 2,671.26 and 1,716.68 is: 2,569.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.84 : 2,671.26 = 1,716.68 : x
  2. Step 2: Convert to fraction form
    1,784.84/2,671.26 = 1,716.68/x
  3. Step 3: Cross multiply
    1,784.84x = 2,671.26 × 1,716.68
  4. Step 4: Simplify right side
    1,784.84x = 4,585,698.62
  5. Step 5: Solve for x
    x = 4,585,698.62/1,784.84
  6. Step 6: Final answer
    x = 2,569.25

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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.