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Finding the Fourth Proportional to 4,650.90, 6,413.64 and 4,246.32

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Solution

The fourth proportional to 4,650.90, 6,413.64 and 4,246.32 is: 5,855.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.90 : 6,413.64 = 4,246.32 : x
  2. Step 2: Convert to fraction form
    4,650.90/6,413.64 = 4,246.32/x
  3. Step 3: Cross multiply
    4,650.90x = 6,413.64 × 4,246.32
  4. Step 4: Simplify right side
    4,650.90x = 27,234,367.80
  5. Step 5: Solve for x
    x = 27,234,367.80/4,650.90
  6. Step 6: Final answer
    x = 5,855.72

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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.