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Finding the Fourth Proportional to 11,503.02, 17,245.74 and 5,258.70

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Solution

The fourth proportional to 11,503.02, 17,245.74 and 5,258.70 is: 7,884.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,503.02 : 17,245.74 = 5,258.70 : x
  2. Step 2: Convert to fraction form
    11,503.02/17,245.74 = 5,258.70/x
  3. Step 3: Cross multiply
    11,503.02x = 17,245.74 × 5,258.70
  4. Step 4: Simplify right side
    11,503.02x = 90,690,172.94
  5. Step 5: Solve for x
    x = 90,690,172.94/11,503.02
  6. Step 6: Final answer
    x = 7,884.03

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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.