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Finding the Fourth Proportional to 30,548.56, 45,822.84 and 8,361.04

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Solution

The fourth proportional to 30,548.56, 45,822.84 and 8,361.04 is: 12,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,548.56 : 45,822.84 = 8,361.04 : x
  2. Step 2: Convert to fraction form
    30,548.56/45,822.84 = 8,361.04/x
  3. Step 3: Cross multiply
    30,548.56x = 45,822.84 × 8,361.04
  4. Step 4: Simplify right side
    30,548.56x = 383,126,598.15
  5. Step 5: Solve for x
    x = 383,126,598.15/30,548.56
  6. Step 6: Final answer
    x = 12,541.56

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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.