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Finding the Fourth Proportional to 22,683.88, 34,015.02 and 8,644.60

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Solution

The fourth proportional to 22,683.88, 34,015.02 and 8,644.60 is: 12,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,683.88 : 34,015.02 = 8,644.60 : x
  2. Step 2: Convert to fraction form
    22,683.88/34,015.02 = 8,644.60/x
  3. Step 3: Cross multiply
    22,683.88x = 34,015.02 × 8,644.60
  4. Step 4: Simplify right side
    22,683.88x = 294,046,241.89
  5. Step 5: Solve for x
    x = 294,046,241.89/22,683.88
  6. Step 6: Final answer
    x = 12,962.78

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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.