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Finding the Fourth Proportional to 11,718.53, 17,568.15 and 5,475.45

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Solution

The fourth proportional to 11,718.53, 17,568.15 and 5,475.45 is: 8,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.53 : 17,568.15 = 5,475.45 : x
  2. Step 2: Convert to fraction form
    11,718.53/17,568.15 = 5,475.45/x
  3. Step 3: Cross multiply
    11,718.53x = 17,568.15 × 5,475.45
  4. Step 4: Simplify right side
    11,718.53x = 96,193,526.92
  5. Step 5: Solve for x
    x = 96,193,526.92/11,718.53
  6. Step 6: Final answer
    x = 8,208.67

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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.