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Finding the Fourth Proportional to 12,539.96, 18,793.74 and 5,968.16

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Solution

The fourth proportional to 12,539.96, 18,793.74 and 5,968.16 is: 8,944.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.96 : 18,793.74 = 5,968.16 : x
  2. Step 2: Convert to fraction form
    12,539.96/18,793.74 = 5,968.16/x
  3. Step 3: Cross multiply
    12,539.96x = 18,793.74 × 5,968.16
  4. Step 4: Simplify right side
    12,539.96x = 112,164,047.32
  5. Step 5: Solve for x
    x = 112,164,047.32/12,539.96
  6. Step 6: Final answer
    x = 8,944.53

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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.