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Finding the Fourth Proportional to 5,334.58, 7,361.64 and 2,976.66

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Solution

The fourth proportional to 5,334.58, 7,361.64 and 2,976.66 is: 4,107.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.58 : 7,361.64 = 2,976.66 : x
  2. Step 2: Convert to fraction form
    5,334.58/7,361.64 = 2,976.66/x
  3. Step 3: Cross multiply
    5,334.58x = 7,361.64 × 2,976.66
  4. Step 4: Simplify right side
    5,334.58x = 21,913,099.32
  5. Step 5: Solve for x
    x = 21,913,099.32/5,334.58
  6. Step 6: Final answer
    x = 4,107.75

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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.