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Finding the Fourth Proportional to 36,817.92, 50,806.98 and 20,900.25

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Solution

The fourth proportional to 36,817.92, 50,806.98 and 20,900.25 is: 28,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,817.92 : 50,806.98 = 20,900.25 : x
  2. Step 2: Convert to fraction form
    36,817.92/50,806.98 = 20,900.25/x
  3. Step 3: Cross multiply
    36,817.92x = 50,806.98 × 20,900.25
  4. Step 4: Simplify right side
    36,817.92x = 1,061,878,583.75
  5. Step 5: Solve for x
    x = 1,061,878,583.75/36,817.92
  6. Step 6: Final answer
    x = 28,841.35

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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.