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Finding the Fourth Proportional to 10,698.90, 16,048.35 and 6,551.70

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Solution

The fourth proportional to 10,698.90, 16,048.35 and 6,551.70 is: 9,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,698.90 : 16,048.35 = 6,551.70 : x
  2. Step 2: Convert to fraction form
    10,698.90/16,048.35 = 6,551.70/x
  3. Step 3: Cross multiply
    10,698.90x = 16,048.35 × 6,551.70
  4. Step 4: Simplify right side
    10,698.90x = 105,143,974.70
  5. Step 5: Solve for x
    x = 105,143,974.70/10,698.90
  6. Step 6: Final answer
    x = 9,827.55

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