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Finding the Fourth Proportional to 23,268.81, 32,110.69 and 12,658.44

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Solution

The fourth proportional to 23,268.81, 32,110.69 and 12,658.44 is: 17,468.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,268.81 : 32,110.69 = 12,658.44 : x
  2. Step 2: Convert to fraction form
    23,268.81/32,110.69 = 12,658.44/x
  3. Step 3: Cross multiply
    23,268.81x = 32,110.69 × 12,658.44
  4. Step 4: Simplify right side
    23,268.81x = 406,471,242.72
  5. Step 5: Solve for x
    x = 406,471,242.72/23,268.81
  6. Step 6: Final answer
    x = 17,468.50

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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.