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Finding the Fourth Proportional to 6,349.45, 8,762.43 and 3,554.95

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Solution

The fourth proportional to 6,349.45, 8,762.43 and 3,554.95 is: 4,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,349.45 : 8,762.43 = 3,554.95 : x
  2. Step 2: Convert to fraction form
    6,349.45/8,762.43 = 3,554.95/x
  3. Step 3: Cross multiply
    6,349.45x = 8,762.43 × 3,554.95
  4. Step 4: Simplify right side
    6,349.45x = 31,150,000.53
  5. Step 5: Solve for x
    x = 31,150,000.53/6,349.45
  6. Step 6: Final answer
    x = 4,905.94

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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.