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Finding the Fourth Proportional to 21,889.86, 32,831.33 and 7,095.32

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Solution

The fourth proportional to 21,889.86, 32,831.33 and 7,095.32 is: 10,641.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889.86 : 32,831.33 = 7,095.32 : x
  2. Step 2: Convert to fraction form
    21,889.86/32,831.33 = 7,095.32/x
  3. Step 3: Cross multiply
    21,889.86x = 32,831.33 × 7,095.32
  4. Step 4: Simplify right side
    21,889.86x = 232,948,792.38
  5. Step 5: Solve for x
    x = 232,948,792.38/21,889.86
  6. Step 6: Final answer
    x = 10,641.86

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