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Finding the Fourth Proportional to 6,907.62, 9,532.16 and 3,923.06

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Solution

The fourth proportional to 6,907.62, 9,532.16 and 3,923.06 is: 5,413.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.62 : 9,532.16 = 3,923.06 : x
  2. Step 2: Convert to fraction form
    6,907.62/9,532.16 = 3,923.06/x
  3. Step 3: Cross multiply
    6,907.62x = 9,532.16 × 3,923.06
  4. Step 4: Simplify right side
    6,907.62x = 37,395,235.61
  5. Step 5: Solve for x
    x = 37,395,235.61/6,907.62
  6. Step 6: Final answer
    x = 5,413.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.