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Finding the Fourth Proportional to 50,378.39, 69,520.74 and 27,407.49

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Solution

The fourth proportional to 50,378.39, 69,520.74 and 27,407.49 is: 37,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,378.39 : 69,520.74 = 27,407.49 : x
  2. Step 2: Convert to fraction form
    50,378.39/69,520.74 = 27,407.49/x
  3. Step 3: Cross multiply
    50,378.39x = 69,520.74 × 27,407.49
  4. Step 4: Simplify right side
    50,378.39x = 1,905,388,986.34
  5. Step 5: Solve for x
    x = 1,905,388,986.34/50,378.39
  6. Step 6: Final answer
    x = 37,821.55

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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.