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Finding the Fourth Proportional to 21,417.61, 32,122.54 and 5,831.59

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Solution

The fourth proportional to 21,417.61, 32,122.54 and 5,831.59 is: 8,746.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,417.61 : 32,122.54 = 5,831.59 : x
  2. Step 2: Convert to fraction form
    21,417.61/32,122.54 = 5,831.59/x
  3. Step 3: Cross multiply
    21,417.61x = 32,122.54 × 5,831.59
  4. Step 4: Simplify right side
    21,417.61x = 187,325,483.04
  5. Step 5: Solve for x
    x = 187,325,483.04/21,417.61
  6. Step 6: Final answer
    x = 8,746.33

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