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Finding the Fourth Proportional to 5,267.18, 7,901.90 and 1,569.70

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Solution

The fourth proportional to 5,267.18, 7,901.90 and 1,569.70 is: 2,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.18 : 7,901.90 = 1,569.70 : x
  2. Step 2: Convert to fraction form
    5,267.18/7,901.90 = 1,569.70/x
  3. Step 3: Cross multiply
    5,267.18x = 7,901.90 × 1,569.70
  4. Step 4: Simplify right side
    5,267.18x = 12,403,651.40
  5. Step 5: Solve for x
    x = 12,403,651.40/5,267.18
  6. Step 6: Final answer
    x = 2,354.90

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