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Finding the Fourth Proportional to 50,552.64, 69,769.20 and 42,040.20

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Solution

The fourth proportional to 50,552.64, 69,769.20 and 42,040.20 is: 58,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,552.64 : 69,769.20 = 42,040.20 : x
  2. Step 2: Convert to fraction form
    50,552.64/69,769.20 = 42,040.20/x
  3. Step 3: Cross multiply
    50,552.64x = 69,769.20 × 42,040.20
  4. Step 4: Simplify right side
    50,552.64x = 2,933,111,121.84
  5. Step 5: Solve for x
    x = 2,933,111,121.84/50,552.64
  6. Step 6: Final answer
    x = 58,020.93

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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.