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Finding the Fourth Proportional to 5,271.69, 7,907.55 and 3,623.25

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Solution

The fourth proportional to 5,271.69, 7,907.55 and 3,623.25 is: 5,434.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.69 : 7,907.55 = 3,623.25 : x
  2. Step 2: Convert to fraction form
    5,271.69/7,907.55 = 3,623.25/x
  3. Step 3: Cross multiply
    5,271.69x = 7,907.55 × 3,623.25
  4. Step 4: Simplify right side
    5,271.69x = 28,651,030.54
  5. Step 5: Solve for x
    x = 28,651,030.54/5,271.69
  6. Step 6: Final answer
    x = 5,434.89

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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.