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Finding the Fourth Proportional to 5,334.67, 7,361.85 and 2,976.81

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Solution

The fourth proportional to 5,334.67, 7,361.85 and 2,976.81 is: 4,108.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.67 : 7,361.85 = 2,976.81 : x
  2. Step 2: Convert to fraction form
    5,334.67/7,361.85 = 2,976.81/x
  3. Step 3: Cross multiply
    5,334.67x = 7,361.85 × 2,976.81
  4. Step 4: Simplify right side
    5,334.67x = 21,914,813.81
  5. Step 5: Solve for x
    x = 21,914,813.81/5,334.67
  6. Step 6: Final answer
    x = 4,108.00

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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.