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Finding the Fourth Proportional to 15,626.56, 23,447.04 and 7,840.96

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Solution

The fourth proportional to 15,626.56, 23,447.04 and 7,840.96 is: 11,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,626.56 : 23,447.04 = 7,840.96 : x
  2. Step 2: Convert to fraction form
    15,626.56/23,447.04 = 7,840.96/x
  3. Step 3: Cross multiply
    15,626.56x = 23,447.04 × 7,840.96
  4. Step 4: Simplify right side
    15,626.56x = 183,847,302.76
  5. Step 5: Solve for x
    x = 183,847,302.76/15,626.56
  6. Step 6: Final answer
    x = 11,765.05

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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.