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Finding the Fourth Proportional to 2,707.85, 3,736.82 and 1,465.85

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Solution

The fourth proportional to 2,707.85, 3,736.82 and 1,465.85 is: 2,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.85 : 3,736.82 = 1,465.85 : x
  2. Step 2: Convert to fraction form
    2,707.85/3,736.82 = 1,465.85/x
  3. Step 3: Cross multiply
    2,707.85x = 3,736.82 × 1,465.85
  4. Step 4: Simplify right side
    2,707.85x = 5,477,617.60
  5. Step 5: Solve for x
    x = 5,477,617.60/2,707.85
  6. Step 6: Final answer
    x = 2,022.87

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1.5x scale

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.