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Finding the Fourth Proportional to 2,684.66, 3,701.49 and 2,018.66

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Solution

The fourth proportional to 2,684.66, 3,701.49 and 2,018.66 is: 2,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.66 : 3,701.49 = 2,018.66 : x
  2. Step 2: Convert to fraction form
    2,684.66/3,701.49 = 2,018.66/x
  3. Step 3: Cross multiply
    2,684.66x = 3,701.49 × 2,018.66
  4. Step 4: Simplify right side
    2,684.66x = 7,472,049.80
  5. Step 5: Solve for x
    x = 7,472,049.80/2,684.66
  6. Step 6: Final answer
    x = 2,783.24

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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.