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Finding the Fourth Proportional to 11,598.03, 15,993.18 and 6,881.40

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Solution

The fourth proportional to 11,598.03, 15,993.18 and 6,881.40 is: 9,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,598.03 : 15,993.18 = 6,881.40 : x
  2. Step 2: Convert to fraction form
    11,598.03/15,993.18 = 6,881.40/x
  3. Step 3: Cross multiply
    11,598.03x = 15,993.18 × 6,881.40
  4. Step 4: Simplify right side
    11,598.03x = 110,055,468.85
  5. Step 5: Solve for x
    x = 110,055,468.85/11,598.03
  6. Step 6: Final answer
    x = 9,489.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.