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Finding the Fourth Proportional to 50,756.45, 70,042.79 and 27,786.22

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Solution

The fourth proportional to 50,756.45, 70,042.79 and 27,786.22 is: 38,344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,756.45 : 70,042.79 = 27,786.22 : x
  2. Step 2: Convert to fraction form
    50,756.45/70,042.79 = 27,786.22/x
  3. Step 3: Cross multiply
    50,756.45x = 70,042.79 × 27,786.22
  4. Step 4: Simplify right side
    50,756.45x = 1,946,224,266.71
  5. Step 5: Solve for x
    x = 1,946,224,266.71/50,756.45
  6. Step 6: Final answer
    x = 38,344.38

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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.