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Finding the Fourth Proportional to 50,651.40, 75,977.10 and 15,601.80

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Solution

The fourth proportional to 50,651.40, 75,977.10 and 15,601.80 is: 23,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,651.40 : 75,977.10 = 15,601.80 : x
  2. Step 2: Convert to fraction form
    50,651.40/75,977.10 = 15,601.80/x
  3. Step 3: Cross multiply
    50,651.40x = 75,977.10 × 15,601.80
  4. Step 4: Simplify right side
    50,651.40x = 1,185,379,518.78
  5. Step 5: Solve for x
    x = 1,185,379,518.78/50,651.40
  6. Step 6: Final answer
    x = 23,402.70

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Similar ratio
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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.