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Finding the Fourth Proportional to 50,923.36, 70,289.22 and 33,019.48

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Solution

The fourth proportional to 50,923.36, 70,289.22 and 33,019.48 is: 45,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,923.36 : 70,289.22 = 33,019.48 : x
  2. Step 2: Convert to fraction form
    50,923.36/70,289.22 = 33,019.48/x
  3. Step 3: Cross multiply
    50,923.36x = 70,289.22 × 33,019.48
  4. Step 4: Simplify right side
    50,923.36x = 2,320,913,494.01
  5. Step 5: Solve for x
    x = 2,320,913,494.01/50,923.36
  6. Step 6: Final answer
    x = 45,576.60

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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.