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Finding the Fourth Proportional to 12,073.70, 18,110.55 and 6,803.30

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Solution

The fourth proportional to 12,073.70, 18,110.55 and 6,803.30 is: 10,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.70 : 18,110.55 = 6,803.30 : x
  2. Step 2: Convert to fraction form
    12,073.70/18,110.55 = 6,803.30/x
  3. Step 3: Cross multiply
    12,073.70x = 18,110.55 × 6,803.30
  4. Step 4: Simplify right side
    12,073.70x = 123,211,504.82
  5. Step 5: Solve for x
    x = 123,211,504.82/12,073.70
  6. Step 6: Final answer
    x = 10,204.95

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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.