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Finding the Fourth Proportional to 34,012.50, 50,890.50 and 30,559.38

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Solution

The fourth proportional to 34,012.50, 50,890.50 and 30,559.38 is: 45,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,012.50 : 50,890.50 = 30,559.38 : x
  2. Step 2: Convert to fraction form
    34,012.50/50,890.50 = 30,559.38/x
  3. Step 3: Cross multiply
    34,012.50x = 50,890.50 × 30,559.38
  4. Step 4: Simplify right side
    34,012.50x = 1,555,182,127.89
  5. Step 5: Solve for x
    x = 1,555,182,127.89/34,012.50
  6. Step 6: Final answer
    x = 45,723.84

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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.