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Finding the Fourth Proportional to 3,326.52, 4,989.84 and 1,683.84

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Solution

The fourth proportional to 3,326.52, 4,989.84 and 1,683.84 is: 2,525.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.52 : 4,989.84 = 1,683.84 : x
  2. Step 2: Convert to fraction form
    3,326.52/4,989.84 = 1,683.84/x
  3. Step 3: Cross multiply
    3,326.52x = 4,989.84 × 1,683.84
  4. Step 4: Simplify right side
    3,326.52x = 8,402,092.19
  5. Step 5: Solve for x
    x = 8,402,092.19/3,326.52
  6. Step 6: Final answer
    x = 2,525.79

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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.