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Finding the Fourth Proportional to 7,361.40, 10,161.02 and 4,529.64

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Solution

The fourth proportional to 7,361.40, 10,161.02 and 4,529.64 is: 6,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.40 : 10,161.02 = 4,529.64 : x
  2. Step 2: Convert to fraction form
    7,361.40/10,161.02 = 4,529.64/x
  3. Step 3: Cross multiply
    7,361.40x = 10,161.02 × 4,529.64
  4. Step 4: Simplify right side
    7,361.40x = 46,025,739.98
  5. Step 5: Solve for x
    x = 46,025,739.98/7,361.40
  6. Step 6: Final answer
    x = 6,252.31

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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.