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Finding the Fourth Proportional to 2,447.56, 3,671.44 and 716.18

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Solution

The fourth proportional to 2,447.56, 3,671.44 and 716.18 is: 1,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.56 : 3,671.44 = 716.18 : x
  2. Step 2: Convert to fraction form
    2,447.56/3,671.44 = 716.18/x
  3. Step 3: Cross multiply
    2,447.56x = 3,671.44 × 716.18
  4. Step 4: Simplify right side
    2,447.56x = 2,629,411.90
  5. Step 5: Solve for x
    x = 2,629,411.90/2,447.56
  6. Step 6: Final answer
    x = 1,074.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.