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Finding the Fourth Proportional to 9,019.86, 12,433.40 and 8,844.90

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Solution

The fourth proportional to 9,019.86, 12,433.40 and 8,844.90 is: 12,192.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.86 : 12,433.40 = 8,844.90 : x
  2. Step 2: Convert to fraction form
    9,019.86/12,433.40 = 8,844.90/x
  3. Step 3: Cross multiply
    9,019.86x = 12,433.40 × 8,844.90
  4. Step 4: Simplify right side
    9,019.86x = 109,972,179.66
  5. Step 5: Solve for x
    x = 109,972,179.66/9,019.86
  6. Step 6: Final answer
    x = 12,192.23

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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.