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Finding the Fourth Proportional to 67,693.82, 93,413.75 and 40,470.44

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Solution

The fourth proportional to 67,693.82, 93,413.75 and 40,470.44 is: 55,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,693.82 : 93,413.75 = 40,470.44 : x
  2. Step 2: Convert to fraction form
    67,693.82/93,413.75 = 40,470.44/x
  3. Step 3: Cross multiply
    67,693.82x = 93,413.75 × 40,470.44
  4. Step 4: Simplify right side
    67,693.82x = 3,780,494,895.13
  5. Step 5: Solve for x
    x = 3,780,494,895.13/67,693.82
  6. Step 6: Final answer
    x = 55,846.98

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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.