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Finding the Fourth Proportional to 50,762.63, 76,143.95 and 13,826.63

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Solution

The fourth proportional to 50,762.63, 76,143.95 and 13,826.63 is: 20,739.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,762.63 : 76,143.95 = 13,826.63 : x
  2. Step 2: Convert to fraction form
    50,762.63/76,143.95 = 13,826.63/x
  3. Step 3: Cross multiply
    50,762.63x = 76,143.95 × 13,826.63
  4. Step 4: Simplify right side
    50,762.63x = 1,052,813,773.54
  5. Step 5: Solve for x
    x = 1,052,813,773.54/50,762.63
  6. Step 6: Final answer
    x = 20,739.94

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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.