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Finding the Fourth Proportional to 8,700.53, 13,052.42 and 3,957.03

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Solution

The fourth proportional to 8,700.53, 13,052.42 and 3,957.03 is: 5,936.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.53 : 13,052.42 = 3,957.03 : x
  2. Step 2: Convert to fraction form
    8,700.53/13,052.42 = 3,957.03/x
  3. Step 3: Cross multiply
    8,700.53x = 13,052.42 × 3,957.03
  4. Step 4: Simplify right side
    8,700.53x = 51,648,797.73
  5. Step 5: Solve for x
    x = 51,648,797.73/8,700.53
  6. Step 6: Final answer
    x = 5,936.28

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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.