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Finding the Fourth Proportional to 13,095.60, 19,614.60 and 12,807.60

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Solution

The fourth proportional to 13,095.60, 19,614.60 and 12,807.60 is: 19,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.60 : 19,614.60 = 12,807.60 : x
  2. Step 2: Convert to fraction form
    13,095.60/19,614.60 = 12,807.60/x
  3. Step 3: Cross multiply
    13,095.60x = 19,614.60 × 12,807.60
  4. Step 4: Simplify right side
    13,095.60x = 251,215,950.96
  5. Step 5: Solve for x
    x = 251,215,950.96/13,095.60
  6. Step 6: Final answer
    x = 19,183.23

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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.