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Finding the Fourth Proportional to 50,999.80, 76,506.90 and 15,935.80

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Solution

The fourth proportional to 50,999.80, 76,506.90 and 15,935.80 is: 23,905.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,999.80 : 76,506.90 = 15,935.80 : x
  2. Step 2: Convert to fraction form
    50,999.80/76,506.90 = 15,935.80/x
  3. Step 3: Cross multiply
    50,999.80x = 76,506.90 × 15,935.80
  4. Step 4: Simplify right side
    50,999.80x = 1,219,198,657.02
  5. Step 5: Solve for x
    x = 1,219,198,657.02/50,999.80
  6. Step 6: Final answer
    x = 23,905.95

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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.