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Finding the Fourth Proportional to 4,575.89, 6,863.84 and 1,113.11

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Solution

The fourth proportional to 4,575.89, 6,863.84 and 1,113.11 is: 1,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,575.89 : 6,863.84 = 1,113.11 : x
  2. Step 2: Convert to fraction form
    4,575.89/6,863.84 = 1,113.11/x
  3. Step 3: Cross multiply
    4,575.89x = 6,863.84 × 1,113.11
  4. Step 4: Simplify right side
    4,575.89x = 7,640,203.38
  5. Step 5: Solve for x
    x = 7,640,203.38/4,575.89
  6. Step 6: Final answer
    x = 1,669.67

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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.