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Finding the Fourth Proportional to 50,696.42, 69,958.22 and 28,034.03

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Solution

The fourth proportional to 50,696.42, 69,958.22 and 28,034.03 is: 38,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,696.42 : 69,958.22 = 28,034.03 : x
  2. Step 2: Convert to fraction form
    50,696.42/69,958.22 = 28,034.03/x
  3. Step 3: Cross multiply
    50,696.42x = 69,958.22 × 28,034.03
  4. Step 4: Simplify right side
    50,696.42x = 1,961,210,872.95
  5. Step 5: Solve for x
    x = 1,961,210,872.95/50,696.42
  6. Step 6: Final answer
    x = 38,685.40

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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.