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Finding the Fourth Proportional to 3,517.53, 4,845.74 and 3,264.81

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Solution

The fourth proportional to 3,517.53, 4,845.74 and 3,264.81 is: 4,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.53 : 4,845.74 = 3,264.81 : x
  2. Step 2: Convert to fraction form
    3,517.53/4,845.74 = 3,264.81/x
  3. Step 3: Cross multiply
    3,517.53x = 4,845.74 × 3,264.81
  4. Step 4: Simplify right side
    3,517.53x = 15,820,404.09
  5. Step 5: Solve for x
    x = 15,820,404.09/3,517.53
  6. Step 6: Final answer
    x = 4,497.59

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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.