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Finding the Fourth Proportional to 4,871.66, 6,722.88 and 2,633.53

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Solution

The fourth proportional to 4,871.66, 6,722.88 and 2,633.53 is: 3,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.66 : 6,722.88 = 2,633.53 : x
  2. Step 2: Convert to fraction form
    4,871.66/6,722.88 = 2,633.53/x
  3. Step 3: Cross multiply
    4,871.66x = 6,722.88 × 2,633.53
  4. Step 4: Simplify right side
    4,871.66x = 17,704,906.17
  5. Step 5: Solve for x
    x = 17,704,906.17/4,871.66
  6. Step 6: Final answer
    x = 3,634.27

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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.