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Finding the Fourth Proportional to 69,831.61, 96,360.29 and 39,607.27

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Solution

The fourth proportional to 69,831.61, 96,360.29 and 39,607.27 is: 54,653.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,831.61 : 96,360.29 = 39,607.27 : x
  2. Step 2: Convert to fraction form
    69,831.61/96,360.29 = 39,607.27/x
  3. Step 3: Cross multiply
    69,831.61x = 96,360.29 × 39,607.27
  4. Step 4: Simplify right side
    69,831.61x = 3,816,567,584.37
  5. Step 5: Solve for x
    x = 3,816,567,584.37/69,831.61
  6. Step 6: Final answer
    x = 54,653.87

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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.