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Finding the Fourth Proportional to 2,679.86, 3,695.54 and 2,050.28

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Solution

The fourth proportional to 2,679.86, 3,695.54 and 2,050.28 is: 2,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.86 : 3,695.54 = 2,050.28 : x
  2. Step 2: Convert to fraction form
    2,679.86/3,695.54 = 2,050.28/x
  3. Step 3: Cross multiply
    2,679.86x = 3,695.54 × 2,050.28
  4. Step 4: Simplify right side
    2,679.86x = 7,576,891.75
  5. Step 5: Solve for x
    x = 7,576,891.75/2,679.86
  6. Step 6: Final answer
    x = 2,827.35

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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.