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Finding the Fourth Proportional to 23,367.68, 35,051.52 and 12,421.12

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Solution

The fourth proportional to 23,367.68, 35,051.52 and 12,421.12 is: 18,631.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,367.68 : 35,051.52 = 12,421.12 : x
  2. Step 2: Convert to fraction form
    23,367.68/35,051.52 = 12,421.12/x
  3. Step 3: Cross multiply
    23,367.68x = 35,051.52 × 12,421.12
  4. Step 4: Simplify right side
    23,367.68x = 435,379,136.10
  5. Step 5: Solve for x
    x = 435,379,136.10/23,367.68
  6. Step 6: Final answer
    x = 18,631.68

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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.