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Finding the Fourth Proportional to 50,697.70, 76,021.17 and 15,632.80

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Solution

The fourth proportional to 50,697.70, 76,021.17 and 15,632.80 is: 23,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,697.70 : 76,021.17 = 15,632.80 : x
  2. Step 2: Convert to fraction form
    50,697.70/76,021.17 = 15,632.80/x
  3. Step 3: Cross multiply
    50,697.70x = 76,021.17 × 15,632.80
  4. Step 4: Simplify right side
    50,697.70x = 1,188,423,746.38
  5. Step 5: Solve for x
    x = 1,188,423,746.38/50,697.70
  6. Step 6: Final answer
    x = 23,441.37

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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.