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Finding the Fourth Proportional to 29,122.54, 43,683.81 and 19,324.42

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Solution

The fourth proportional to 29,122.54, 43,683.81 and 19,324.42 is: 28,986.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,122.54 : 43,683.81 = 19,324.42 : x
  2. Step 2: Convert to fraction form
    29,122.54/43,683.81 = 19,324.42/x
  3. Step 3: Cross multiply
    29,122.54x = 43,683.81 × 19,324.42
  4. Step 4: Simplify right side
    29,122.54x = 844,164,291.64
  5. Step 5: Solve for x
    x = 844,164,291.64/29,122.54
  6. Step 6: Final answer
    x = 28,986.63

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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.