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Finding the Fourth Proportional to 9,994.60, 13,792.26 and 5,518.02

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Solution

The fourth proportional to 9,994.60, 13,792.26 and 5,518.02 is: 7,614.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.60 : 13,792.26 = 5,518.02 : x
  2. Step 2: Convert to fraction form
    9,994.60/13,792.26 = 5,518.02/x
  3. Step 3: Cross multiply
    9,994.60x = 13,792.26 × 5,518.02
  4. Step 4: Simplify right side
    9,994.60x = 76,105,966.53
  5. Step 5: Solve for x
    x = 76,105,966.53/9,994.60
  6. Step 6: Final answer
    x = 7,614.71

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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.