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Finding the Fourth Proportional to 14,235.75, 19,645.74 and 7,948.53

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Solution

The fourth proportional to 14,235.75, 19,645.74 and 7,948.53 is: 10,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.75 : 19,645.74 = 7,948.53 : x
  2. Step 2: Convert to fraction form
    14,235.75/19,645.74 = 7,948.53/x
  3. Step 3: Cross multiply
    14,235.75x = 19,645.74 × 7,948.53
  4. Step 4: Simplify right side
    14,235.75x = 156,154,753.76
  5. Step 5: Solve for x
    x = 156,154,753.76/14,235.75
  6. Step 6: Final answer
    x = 10,969.20

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