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Finding the Fourth Proportional to 5,423.54, 7,484.27 and 3,065.63

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Solution

The fourth proportional to 5,423.54, 7,484.27 and 3,065.63 is: 4,230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.54 : 7,484.27 = 3,065.63 : x
  2. Step 2: Convert to fraction form
    5,423.54/7,484.27 = 3,065.63/x
  3. Step 3: Cross multiply
    5,423.54x = 7,484.27 × 3,065.63
  4. Step 4: Simplify right side
    5,423.54x = 22,943,949.89
  5. Step 5: Solve for x
    x = 22,943,949.89/5,423.54
  6. Step 6: Final answer
    x = 4,230.44

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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.