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Finding the Fourth Proportional to 24,297.84, 33,511.20 and 20,402.21

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Solution

The fourth proportional to 24,297.84, 33,511.20 and 20,402.21 is: 28,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,297.84 : 33,511.20 = 20,402.21 : x
  2. Step 2: Convert to fraction form
    24,297.84/33,511.20 = 20,402.21/x
  3. Step 3: Cross multiply
    24,297.84x = 33,511.20 × 20,402.21
  4. Step 4: Simplify right side
    24,297.84x = 683,702,547.02
  5. Step 5: Solve for x
    x = 683,702,547.02/24,297.84
  6. Step 6: Final answer
    x = 28,138.41

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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.