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Finding the Fourth Proportional to 7,361.64, 10,161.25 and 4,379.29

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Solution

The fourth proportional to 7,361.64, 10,161.25 and 4,379.29 is: 6,044.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.64 : 10,161.25 = 4,379.29 : x
  2. Step 2: Convert to fraction form
    7,361.64/10,161.25 = 4,379.29/x
  3. Step 3: Cross multiply
    7,361.64x = 10,161.25 × 4,379.29
  4. Step 4: Simplify right side
    7,361.64x = 44,499,024.16
  5. Step 5: Solve for x
    x = 44,499,024.16/7,361.64
  6. Step 6: Final answer
    x = 6,044.72

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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.