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Finding the Fourth Proportional to 43,898.71, 65,858.55 and 14,316.58

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Solution

The fourth proportional to 43,898.71, 65,858.55 and 14,316.58 is: 21,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,898.71 : 65,858.55 = 14,316.58 : x
  2. Step 2: Convert to fraction form
    43,898.71/65,858.55 = 14,316.58/x
  3. Step 3: Cross multiply
    43,898.71x = 65,858.55 × 14,316.58
  4. Step 4: Simplify right side
    43,898.71x = 942,869,199.76
  5. Step 5: Solve for x
    x = 942,869,199.76/43,898.71
  6. Step 6: Final answer
    x = 21,478.29

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