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Finding the Fourth Proportional to 67,766.80, 93,518.74 and 37,552.63

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Solution

The fourth proportional to 67,766.80, 93,518.74 and 37,552.63 is: 51,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,766.80 : 93,518.74 = 37,552.63 : x
  2. Step 2: Convert to fraction form
    67,766.80/93,518.74 = 37,552.63/x
  3. Step 3: Cross multiply
    67,766.80x = 93,518.74 × 37,552.63
  4. Step 4: Simplify right side
    67,766.80x = 3,511,874,024.01
  5. Step 5: Solve for x
    x = 3,511,874,024.01/67,766.80
  6. Step 6: Final answer
    x = 51,822.93

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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.