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Finding the Fourth Proportional to 19,267.33, 28,883.48 and 7,413.54

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Solution

The fourth proportional to 19,267.33, 28,883.48 and 7,413.54 is: 11,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.33 : 28,883.48 = 7,413.54 : x
  2. Step 2: Convert to fraction form
    19,267.33/28,883.48 = 7,413.54/x
  3. Step 3: Cross multiply
    19,267.33x = 28,883.48 × 7,413.54
  4. Step 4: Simplify right side
    19,267.33x = 214,128,944.75
  5. Step 5: Solve for x
    x = 214,128,944.75/19,267.33
  6. Step 6: Final answer
    x = 11,113.58

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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.