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Finding the Fourth Proportional to 4,458.68, 6,684.36 and 1,683.77

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Solution

The fourth proportional to 4,458.68, 6,684.36 and 1,683.77 is: 2,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.68 : 6,684.36 = 1,683.77 : x
  2. Step 2: Convert to fraction form
    4,458.68/6,684.36 = 1,683.77/x
  3. Step 3: Cross multiply
    4,458.68x = 6,684.36 × 1,683.77
  4. Step 4: Simplify right side
    4,458.68x = 11,254,924.84
  5. Step 5: Solve for x
    x = 11,254,924.84/4,458.68
  6. Step 6: Final answer
    x = 2,524.28

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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.