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Finding the Fourth Proportional to 67,329.95, 92,975.13 and 41,879.93

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Solution

The fourth proportional to 67,329.95, 92,975.13 and 41,879.93 is: 57,831.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,329.95 : 92,975.13 = 41,879.93 : x
  2. Step 2: Convert to fraction form
    67,329.95/92,975.13 = 41,879.93/x
  3. Step 3: Cross multiply
    67,329.95x = 92,975.13 × 41,879.93
  4. Step 4: Simplify right side
    67,329.95x = 3,893,791,471.27
  5. Step 5: Solve for x
    x = 3,893,791,471.27/67,329.95
  6. Step 6: Final answer
    x = 57,831.50

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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.