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Finding the Fourth Proportional to 12,333.90, 18,510.57 and 4,548.18

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Solution

The fourth proportional to 12,333.90, 18,510.57 and 4,548.18 is: 6,825.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333.90 : 18,510.57 = 4,548.18 : x
  2. Step 2: Convert to fraction form
    12,333.90/18,510.57 = 4,548.18/x
  3. Step 3: Cross multiply
    12,333.90x = 18,510.57 × 4,548.18
  4. Step 4: Simplify right side
    12,333.90x = 84,189,404.26
  5. Step 5: Solve for x
    x = 84,189,404.26/12,333.90
  6. Step 6: Final answer
    x = 6,825.85

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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.