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Finding the Fourth Proportional to 50,751.54, 76,107.06 and 15,681.78

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Solution

The fourth proportional to 50,751.54, 76,107.06 and 15,681.78 is: 23,516.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,751.54 : 76,107.06 = 15,681.78 : x
  2. Step 2: Convert to fraction form
    50,751.54/76,107.06 = 15,681.78/x
  3. Step 3: Cross multiply
    50,751.54x = 76,107.06 × 15,681.78
  4. Step 4: Simplify right side
    50,751.54x = 1,193,494,171.37
  5. Step 5: Solve for x
    x = 1,193,494,171.37/50,751.54
  6. Step 6: Final answer
    x = 23,516.41

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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.