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Finding the Fourth Proportional to 13,032.57, 19,580.01 and 8,361.75

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Solution

The fourth proportional to 13,032.57, 19,580.01 and 8,361.75 is: 12,562.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.57 : 19,580.01 = 8,361.75 : x
  2. Step 2: Convert to fraction form
    13,032.57/19,580.01 = 8,361.75/x
  3. Step 3: Cross multiply
    13,032.57x = 19,580.01 × 8,361.75
  4. Step 4: Simplify right side
    13,032.57x = 163,723,173.09
  5. Step 5: Solve for x
    x = 163,723,173.09/13,032.57
  6. Step 6: Final answer
    x = 12,562.62

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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.