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Finding the Fourth Proportional to 14,066.82, 19,413.18 and 8,100.06

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Solution

The fourth proportional to 14,066.82, 19,413.18 and 8,100.06 is: 11,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,066.82 : 19,413.18 = 8,100.06 : x
  2. Step 2: Convert to fraction form
    14,066.82/19,413.18 = 8,100.06/x
  3. Step 3: Cross multiply
    14,066.82x = 19,413.18 × 8,100.06
  4. Step 4: Simplify right side
    14,066.82x = 157,247,922.79
  5. Step 5: Solve for x
    x = 157,247,922.79/14,066.82
  6. Step 6: Final answer
    x = 11,178.64

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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.