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Finding the Fourth Proportional to 2,361.48, 3,260.06 and 1,579.64

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Solution

The fourth proportional to 2,361.48, 3,260.06 and 1,579.64 is: 2,180.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.48 : 3,260.06 = 1,579.64 : x
  2. Step 2: Convert to fraction form
    2,361.48/3,260.06 = 1,579.64/x
  3. Step 3: Cross multiply
    2,361.48x = 3,260.06 × 1,579.64
  4. Step 4: Simplify right side
    2,361.48x = 5,149,721.18
  5. Step 5: Solve for x
    x = 5,149,721.18/2,361.48
  6. Step 6: Final answer
    x = 2,180.72

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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.