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Finding the Fourth Proportional to 41,728.80, 57,566.42 and 36,953.60

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Solution

The fourth proportional to 41,728.80, 57,566.42 and 36,953.60 is: 50,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,728.80 : 57,566.42 = 36,953.60 : x
  2. Step 2: Convert to fraction form
    41,728.80/57,566.42 = 36,953.60/x
  3. Step 3: Cross multiply
    41,728.80x = 57,566.42 × 36,953.60
  4. Step 4: Simplify right side
    41,728.80x = 2,127,286,458.11
  5. Step 5: Solve for x
    x = 2,127,286,458.11/41,728.80
  6. Step 6: Final answer
    x = 50,978.86

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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.