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Finding the Fourth Proportional to 7,245.22, 9,999.96 and 4,413.53

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Solution

The fourth proportional to 7,245.22, 9,999.96 and 4,413.53 is: 6,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.22 : 9,999.96 = 4,413.53 : x
  2. Step 2: Convert to fraction form
    7,245.22/9,999.96 = 4,413.53/x
  3. Step 3: Cross multiply
    7,245.22x = 9,999.96 × 4,413.53
  4. Step 4: Simplify right side
    7,245.22x = 44,135,123.46
  5. Step 5: Solve for x
    x = 44,135,123.46/7,245.22
  6. Step 6: Final answer
    x = 6,091.62

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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.