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Finding the Fourth Proportional to 19,482.84, 26,887.62 and 11,099.40

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Solution

The fourth proportional to 19,482.84, 26,887.62 and 11,099.40 is: 15,317.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,482.84 : 26,887.62 = 11,099.40 : x
  2. Step 2: Convert to fraction form
    19,482.84/26,887.62 = 11,099.40/x
  3. Step 3: Cross multiply
    19,482.84x = 26,887.62 × 11,099.40
  4. Step 4: Simplify right side
    19,482.84x = 298,436,449.43
  5. Step 5: Solve for x
    x = 298,436,449.43/19,482.84
  6. Step 6: Final answer
    x = 15,317.91

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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.