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Finding the Fourth Proportional to 16,779.67, 23,155.47 and 9,226.01

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Solution

The fourth proportional to 16,779.67, 23,155.47 and 9,226.01 is: 12,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.67 : 23,155.47 = 9,226.01 : x
  2. Step 2: Convert to fraction form
    16,779.67/23,155.47 = 9,226.01/x
  3. Step 3: Cross multiply
    16,779.67x = 23,155.47 × 9,226.01
  4. Step 4: Simplify right side
    16,779.67x = 213,632,597.77
  5. Step 5: Solve for x
    x = 213,632,597.77/16,779.67
  6. Step 6: Final answer
    x = 12,731.63

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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.