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Finding the Fourth Proportional to 50,772.75, 70,030.78 and 35,433.69

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Solution

The fourth proportional to 50,772.75, 70,030.78 and 35,433.69 is: 48,873.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,772.75 : 70,030.78 = 35,433.69 : x
  2. Step 2: Convert to fraction form
    50,772.75/70,030.78 = 35,433.69/x
  3. Step 3: Cross multiply
    50,772.75x = 70,030.78 × 35,433.69
  4. Step 4: Simplify right side
    50,772.75x = 2,481,448,948.98
  5. Step 5: Solve for x
    x = 2,481,448,948.98/50,772.75
  6. Step 6: Final answer
    x = 48,873.64

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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.