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Finding the Fourth Proportional to 6,237.12, 8,607.12 and 3,442.56

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Solution

The fourth proportional to 6,237.12, 8,607.12 and 3,442.56 is: 4,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.12 : 8,607.12 = 3,442.56 : x
  2. Step 2: Convert to fraction form
    6,237.12/8,607.12 = 3,442.56/x
  3. Step 3: Cross multiply
    6,237.12x = 8,607.12 × 3,442.56
  4. Step 4: Simplify right side
    6,237.12x = 29,630,527.03
  5. Step 5: Solve for x
    x = 29,630,527.03/6,237.12
  6. Step 6: Final answer
    x = 4,750.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.