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Finding the Fourth Proportional to 5,361.53, 7,398.94 and 3,124.94

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Solution

The fourth proportional to 5,361.53, 7,398.94 and 3,124.94 is: 4,312.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.53 : 7,398.94 = 3,124.94 : x
  2. Step 2: Convert to fraction form
    5,361.53/7,398.94 = 3,124.94/x
  3. Step 3: Cross multiply
    5,361.53x = 7,398.94 × 3,124.94
  4. Step 4: Simplify right side
    5,361.53x = 23,121,243.56
  5. Step 5: Solve for x
    x = 23,121,243.56/5,361.53
  6. Step 6: Final answer
    x = 4,312.43

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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.