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Finding the Fourth Proportional to 8,409.88, 11,604.84 and 4,873.32

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Solution

The fourth proportional to 8,409.88, 11,604.84 and 4,873.32 is: 6,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.88 : 11,604.84 = 4,873.32 : x
  2. Step 2: Convert to fraction form
    8,409.88/11,604.84 = 4,873.32/x
  3. Step 3: Cross multiply
    8,409.88x = 11,604.84 × 4,873.32
  4. Step 4: Simplify right side
    8,409.88x = 56,554,098.87
  5. Step 5: Solve for x
    x = 56,554,098.87/8,409.88
  6. Step 6: Final answer
    x = 6,724.72

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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.