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Finding the Fourth Proportional to 4,361.63, 6,542.86 and 1,399.32

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Solution

The fourth proportional to 4,361.63, 6,542.86 and 1,399.32 is: 2,099.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,361.63 : 6,542.86 = 1,399.32 : x
  2. Step 2: Convert to fraction form
    4,361.63/6,542.86 = 1,399.32/x
  3. Step 3: Cross multiply
    4,361.63x = 6,542.86 × 1,399.32
  4. Step 4: Simplify right side
    4,361.63x = 9,155,551.36
  5. Step 5: Solve for x
    x = 9,155,551.36/4,361.63
  6. Step 6: Final answer
    x = 2,099.11

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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.