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Finding the Fourth Proportional to 19,361.48, 29,042.21 and 5,510.48

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Solution

The fourth proportional to 19,361.48, 29,042.21 and 5,510.48 is: 8,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361.48 : 29,042.21 = 5,510.48 : x
  2. Step 2: Convert to fraction form
    19,361.48/29,042.21 = 5,510.48/x
  3. Step 3: Cross multiply
    19,361.48x = 29,042.21 × 5,510.48
  4. Step 4: Simplify right side
    19,361.48x = 160,036,344.60
  5. Step 5: Solve for x
    x = 160,036,344.60/19,361.48
  6. Step 6: Final answer
    x = 8,265.71

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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.