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Finding the Fourth Proportional to 50,950.80, 76,427.55 and 15,891.30

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Solution

The fourth proportional to 50,950.80, 76,427.55 and 15,891.30 is: 23,837.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,950.80 : 76,427.55 = 15,891.30 : x
  2. Step 2: Convert to fraction form
    50,950.80/76,427.55 = 15,891.30/x
  3. Step 3: Cross multiply
    50,950.80x = 76,427.55 × 15,891.30
  4. Step 4: Simplify right side
    50,950.80x = 1,214,533,125.32
  5. Step 5: Solve for x
    x = 1,214,533,125.32/50,950.80
  6. Step 6: Final answer
    x = 23,837.37

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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.