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Finding the Fourth Proportional to 14,658.72, 21,985.96 and 4,798.39

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Solution

The fourth proportional to 14,658.72, 21,985.96 and 4,798.39 is: 7,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.72 : 21,985.96 = 4,798.39 : x
  2. Step 2: Convert to fraction form
    14,658.72/21,985.96 = 4,798.39/x
  3. Step 3: Cross multiply
    14,658.72x = 21,985.96 × 4,798.39
  4. Step 4: Simplify right side
    14,658.72x = 105,497,210.60
  5. Step 5: Solve for x
    x = 105,497,210.60/14,658.72
  6. Step 6: Final answer
    x = 7,196.89

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