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Finding the Fourth Proportional to 45,873.32, 68,809.34 and 12,593.34

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Solution

The fourth proportional to 45,873.32, 68,809.34 and 12,593.34 is: 18,889.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,873.32 : 68,809.34 = 12,593.34 : x
  2. Step 2: Convert to fraction form
    45,873.32/68,809.34 = 12,593.34/x
  3. Step 3: Cross multiply
    45,873.32x = 68,809.34 × 12,593.34
  4. Step 4: Simplify right side
    45,873.32x = 866,539,413.80
  5. Step 5: Solve for x
    x = 866,539,413.80/45,873.32
  6. Step 6: Final answer
    x = 18,889.83

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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.