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Finding the Fourth Proportional to 12,272.50, 16,936.05 and 6,683.50

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Solution

The fourth proportional to 12,272.50, 16,936.05 and 6,683.50 is: 9,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.50 : 16,936.05 = 6,683.50 : x
  2. Step 2: Convert to fraction form
    12,272.50/16,936.05 = 6,683.50/x
  3. Step 3: Cross multiply
    12,272.50x = 16,936.05 × 6,683.50
  4. Step 4: Simplify right side
    12,272.50x = 113,192,090.18
  5. Step 5: Solve for x
    x = 113,192,090.18/12,272.50
  6. Step 6: Final answer
    x = 9,223.23

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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.