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Finding the Fourth Proportional to 51,007.98, 76,522.80 and 15,950.28

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Solution

The fourth proportional to 51,007.98, 76,522.80 and 15,950.28 is: 23,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,007.98 : 76,522.80 = 15,950.28 : x
  2. Step 2: Convert to fraction form
    51,007.98/76,522.80 = 15,950.28/x
  3. Step 3: Cross multiply
    51,007.98x = 76,522.80 × 15,950.28
  4. Step 4: Simplify right side
    51,007.98x = 1,220,560,086.38
  5. Step 5: Solve for x
    x = 1,220,560,086.38/51,007.98
  6. Step 6: Final answer
    x = 23,928.81

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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.