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Finding the Fourth Proportional to 50,651.50, 75,978.24 and 15,591.12

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Solution

The fourth proportional to 50,651.50, 75,978.24 and 15,591.12 is: 23,386.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,651.50 : 75,978.24 = 15,591.12 : x
  2. Step 2: Convert to fraction form
    50,651.50/75,978.24 = 15,591.12/x
  3. Step 3: Cross multiply
    50,651.50x = 75,978.24 × 15,591.12
  4. Step 4: Simplify right side
    50,651.50x = 1,184,585,857.23
  5. Step 5: Solve for x
    x = 1,184,585,857.23/50,651.50
  6. Step 6: Final answer
    x = 23,386.98

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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.