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Finding the Fourth Proportional to 13,714.64, 20,567.72 and 4,948.44

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Solution

The fourth proportional to 13,714.64, 20,567.72 and 4,948.44 is: 7,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.64 : 20,567.72 = 4,948.44 : x
  2. Step 2: Convert to fraction form
    13,714.64/20,567.72 = 4,948.44/x
  3. Step 3: Cross multiply
    13,714.64x = 20,567.72 × 4,948.44
  4. Step 4: Simplify right side
    13,714.64x = 101,778,128.36
  5. Step 5: Solve for x
    x = 101,778,128.36/13,714.64
  6. Step 6: Final answer
    x = 7,421.13

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