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Finding the Fourth Proportional to 12,539.54, 18,806.06 and 5,952.62

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Solution

The fourth proportional to 12,539.54, 18,806.06 and 5,952.62 is: 8,927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.54 : 18,806.06 = 5,952.62 : x
  2. Step 2: Convert to fraction form
    12,539.54/18,806.06 = 5,952.62/x
  3. Step 3: Cross multiply
    12,539.54x = 18,806.06 × 5,952.62
  4. Step 4: Simplify right side
    12,539.54x = 111,945,299.11
  5. Step 5: Solve for x
    x = 111,945,299.11/12,539.54
  6. Step 6: Final answer
    x = 8,927.38

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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.