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Finding the Fourth Proportional to 50,237.48, 69,328.60 and 27,578.60

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Solution

The fourth proportional to 50,237.48, 69,328.60 and 27,578.60 is: 38,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,237.48 : 69,328.60 = 27,578.60 : x
  2. Step 2: Convert to fraction form
    50,237.48/69,328.60 = 27,578.60/x
  3. Step 3: Cross multiply
    50,237.48x = 69,328.60 × 27,578.60
  4. Step 4: Simplify right side
    50,237.48x = 1,911,985,727.96
  5. Step 5: Solve for x
    x = 1,911,985,727.96/50,237.48
  6. Step 6: Final answer
    x = 38,058.95

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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.