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Finding the Fourth Proportional to 14,995.59, 20,693.61 and 8,280.83

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Solution

The fourth proportional to 14,995.59, 20,693.61 and 8,280.83 is: 11,427.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995.59 : 20,693.61 = 8,280.83 : x
  2. Step 2: Convert to fraction form
    14,995.59/20,693.61 = 8,280.83/x
  3. Step 3: Cross multiply
    14,995.59x = 20,693.61 × 8,280.83
  4. Step 4: Simplify right side
    14,995.59x = 171,360,163.03
  5. Step 5: Solve for x
    x = 171,360,163.03/14,995.59
  6. Step 6: Final answer
    x = 11,427.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.