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Finding the Fourth Proportional to 40,605.06, 60,900.15 and 18,413.10

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Solution

The fourth proportional to 40,605.06, 60,900.15 and 18,413.10 is: 27,616.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,605.06 : 60,900.15 = 18,413.10 : x
  2. Step 2: Convert to fraction form
    40,605.06/60,900.15 = 18,413.10/x
  3. Step 3: Cross multiply
    40,605.06x = 60,900.15 × 18,413.10
  4. Step 4: Simplify right side
    40,605.06x = 1,121,360,551.97
  5. Step 5: Solve for x
    x = 1,121,360,551.97/40,605.06
  6. Step 6: Final answer
    x = 27,616.28

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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.