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Finding the Fourth Proportional to 10,745.55, 16,124.67 and 5,815.08

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Solution

The fourth proportional to 10,745.55, 16,124.67 and 5,815.08 is: 8,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.55 : 16,124.67 = 5,815.08 : x
  2. Step 2: Convert to fraction form
    10,745.55/16,124.67 = 5,815.08/x
  3. Step 3: Cross multiply
    10,745.55x = 16,124.67 × 5,815.08
  4. Step 4: Simplify right side
    10,745.55x = 93,766,246.02
  5. Step 5: Solve for x
    x = 93,766,246.02/10,745.55
  6. Step 6: Final answer
    x = 8,726.05

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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.