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Finding the Fourth Proportional to 51,993.43, 77,996.63 and 16,923.67

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Solution

The fourth proportional to 51,993.43, 77,996.63 and 16,923.67 is: 25,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,993.43 : 77,996.63 = 16,923.67 : x
  2. Step 2: Convert to fraction form
    51,993.43/77,996.63 = 16,923.67/x
  3. Step 3: Cross multiply
    51,993.43x = 77,996.63 × 16,923.67
  4. Step 4: Simplify right side
    51,993.43x = 1,319,989,142.61
  5. Step 5: Solve for x
    x = 1,319,989,142.61/51,993.43
  6. Step 6: Final answer
    x = 25,387.61

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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.