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Finding the Fourth Proportional to 2,361.16, 3,541.79 and 717.63

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Solution

The fourth proportional to 2,361.16, 3,541.79 and 717.63 is: 1,076.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.16 : 3,541.79 = 717.63 : x
  2. Step 2: Convert to fraction form
    2,361.16/3,541.79 = 717.63/x
  3. Step 3: Cross multiply
    2,361.16x = 3,541.79 × 717.63
  4. Step 4: Simplify right side
    2,361.16x = 2,541,694.76
  5. Step 5: Solve for x
    x = 2,541,694.76/2,361.16
  6. Step 6: Final answer
    x = 1,076.46

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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.