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Finding the Fourth Proportional to 22,045.50, 30,448.71 and 14,580.54

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Solution

The fourth proportional to 22,045.50, 30,448.71 and 14,580.54 is: 20,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,045.50 : 30,448.71 = 14,580.54 : x
  2. Step 2: Convert to fraction form
    22,045.50/30,448.71 = 14,580.54/x
  3. Step 3: Cross multiply
    22,045.50x = 30,448.71 × 14,580.54
  4. Step 4: Simplify right side
    22,045.50x = 443,958,634.10
  5. Step 5: Solve for x
    x = 443,958,634.10/22,045.50
  6. Step 6: Final answer
    x = 20,138.29

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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.