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Finding the Fourth Proportional to 57,773.87, 79,728.47 and 33,900.94

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Solution

The fourth proportional to 57,773.87, 79,728.47 and 33,900.94 is: 46,783.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,773.87 : 79,728.47 = 33,900.94 : x
  2. Step 2: Convert to fraction form
    57,773.87/79,728.47 = 33,900.94/x
  3. Step 3: Cross multiply
    57,773.87x = 79,728.47 × 33,900.94
  4. Step 4: Simplify right side
    57,773.87x = 2,702,870,077.76
  5. Step 5: Solve for x
    x = 2,702,870,077.76/57,773.87
  6. Step 6: Final answer
    x = 46,783.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.