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Finding the Fourth Proportional to 12,073.54, 16,662.29 and 6,768.70

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Solution

The fourth proportional to 12,073.54, 16,662.29 and 6,768.70 is: 9,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.54 : 16,662.29 = 6,768.70 : x
  2. Step 2: Convert to fraction form
    12,073.54/16,662.29 = 6,768.70/x
  3. Step 3: Cross multiply
    12,073.54x = 16,662.29 × 6,768.70
  4. Step 4: Simplify right side
    12,073.54x = 112,782,008.48
  5. Step 5: Solve for x
    x = 112,782,008.48/12,073.54
  6. Step 6: Final answer
    x = 9,341.25

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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.