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Finding the Fourth Proportional to 50,448.49, 69,623.83 and 37,679.51

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Solution

The fourth proportional to 50,448.49, 69,623.83 and 37,679.51 is: 52,001.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,448.49 : 69,623.83 = 37,679.51 : x
  2. Step 2: Convert to fraction form
    50,448.49/69,623.83 = 37,679.51/x
  3. Step 3: Cross multiply
    50,448.49x = 69,623.83 × 37,679.51
  4. Step 4: Simplify right side
    50,448.49x = 2,623,391,497.70
  5. Step 5: Solve for x
    x = 2,623,391,497.70/50,448.49
  6. Step 6: Final answer
    x = 52,001.39

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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.