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Finding the Fourth Proportional to 2,684.60, 3,707.75 and 1,847.87

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Solution

The fourth proportional to 2,684.60, 3,707.75 and 1,847.87 is: 2,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.60 : 3,707.75 = 1,847.87 : x
  2. Step 2: Convert to fraction form
    2,684.60/3,707.75 = 1,847.87/x
  3. Step 3: Cross multiply
    2,684.60x = 3,707.75 × 1,847.87
  4. Step 4: Simplify right side
    2,684.60x = 6,851,439.99
  5. Step 5: Solve for x
    x = 6,851,439.99/2,684.60
  6. Step 6: Final answer
    x = 2,552.13

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Why These Related Problems?

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