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Finding the Fourth Proportional to 67,763, 93,512.94 and 37,955

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Solution

The fourth proportional to 67,763, 93,512.94 and 37,955 is: 52,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,763 : 93,512.94 = 37,955 : x
  2. Step 2: Convert to fraction form
    67,763/93,512.94 = 37,955/x
  3. Step 3: Cross multiply
    67,763x = 93,512.94 × 37,955
  4. Step 4: Simplify right side
    67,763x = 3,549,283,637.70
  5. Step 5: Solve for x
    x = 3,549,283,637.70/67,763
  6. Step 6: Final answer
    x = 52,377.90

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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.