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Finding the Fourth Proportional to 4,746.60, 7,119.90 and 2,413.80

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Solution

The fourth proportional to 4,746.60, 7,119.90 and 2,413.80 is: 3,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.60 : 7,119.90 = 2,413.80 : x
  2. Step 2: Convert to fraction form
    4,746.60/7,119.90 = 2,413.80/x
  3. Step 3: Cross multiply
    4,746.60x = 7,119.90 × 2,413.80
  4. Step 4: Simplify right side
    4,746.60x = 17,186,014.62
  5. Step 5: Solve for x
    x = 17,186,014.62/4,746.60
  6. Step 6: Final answer
    x = 3,620.70

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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.