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Finding the Fourth Proportional to 6,259.20, 9,388.80 and 6,194.40

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Solution

The fourth proportional to 6,259.20, 9,388.80 and 6,194.40 is: 9,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.20 : 9,388.80 = 6,194.40 : x
  2. Step 2: Convert to fraction form
    6,259.20/9,388.80 = 6,194.40/x
  3. Step 3: Cross multiply
    6,259.20x = 9,388.80 × 6,194.40
  4. Step 4: Simplify right side
    6,259.20x = 58,157,982.72
  5. Step 5: Solve for x
    x = 58,157,982.72/6,259.20
  6. Step 6: Final answer
    x = 9,291.60

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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.