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Finding the Fourth Proportional to 11,698.40, 17,549.70 and 6,150.20

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Solution

The fourth proportional to 11,698.40, 17,549.70 and 6,150.20 is: 9,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.40 : 17,549.70 = 6,150.20 : x
  2. Step 2: Convert to fraction form
    11,698.40/17,549.70 = 6,150.20/x
  3. Step 3: Cross multiply
    11,698.40x = 17,549.70 × 6,150.20
  4. Step 4: Simplify right side
    11,698.40x = 107,934,164.94
  5. Step 5: Solve for x
    x = 107,934,164.94/11,698.40
  6. Step 6: Final answer
    x = 9,226.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.