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Finding the Fourth Proportional to 13,342.73, 18,413.02 and 7,293.09

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Solution

The fourth proportional to 13,342.73, 18,413.02 and 7,293.09 is: 10,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.73 : 18,413.02 = 7,293.09 : x
  2. Step 2: Convert to fraction form
    13,342.73/18,413.02 = 7,293.09/x
  3. Step 3: Cross multiply
    13,342.73x = 18,413.02 × 7,293.09
  4. Step 4: Simplify right side
    13,342.73x = 134,287,812.03
  5. Step 5: Solve for x
    x = 134,287,812.03/13,342.73
  6. Step 6: Final answer
    x = 10,064.50

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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.