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Finding the Fourth Proportional to 11,503.33, 17,258.64 and 3,712.75

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Solution

The fourth proportional to 11,503.33, 17,258.64 and 3,712.75 is: 5,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,503.33 : 17,258.64 = 3,712.75 : x
  2. Step 2: Convert to fraction form
    11,503.33/17,258.64 = 3,712.75/x
  3. Step 3: Cross multiply
    11,503.33x = 17,258.64 × 3,712.75
  4. Step 4: Simplify right side
    11,503.33x = 64,077,015.66
  5. Step 5: Solve for x
    x = 64,077,015.66/11,503.33
  6. Step 6: Final answer
    x = 5,570.30

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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.