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Finding the Fourth Proportional to 16,767.18, 25,150.77 and 5,815.50

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Solution

The fourth proportional to 16,767.18, 25,150.77 and 5,815.50 is: 8,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.18 : 25,150.77 = 5,815.50 : x
  2. Step 2: Convert to fraction form
    16,767.18/25,150.77 = 5,815.50/x
  3. Step 3: Cross multiply
    16,767.18x = 25,150.77 × 5,815.50
  4. Step 4: Simplify right side
    16,767.18x = 146,264,302.94
  5. Step 5: Solve for x
    x = 146,264,302.94/16,767.18
  6. Step 6: Final answer
    x = 8,723.25

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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.