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Finding the Fourth Proportional to 4,413.84, 6,620.82 and 1,948.14

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Solution

The fourth proportional to 4,413.84, 6,620.82 and 1,948.14 is: 2,922.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.84 : 6,620.82 = 1,948.14 : x
  2. Step 2: Convert to fraction form
    4,413.84/6,620.82 = 1,948.14/x
  3. Step 3: Cross multiply
    4,413.84x = 6,620.82 × 1,948.14
  4. Step 4: Simplify right side
    4,413.84x = 12,898,284.27
  5. Step 5: Solve for x
    x = 12,898,284.27/4,413.84
  6. Step 6: Final answer
    x = 2,922.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.