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Finding the Fourth Proportional to 9,888.24, 13,573.09 and 8,744.12

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Solution

The fourth proportional to 9,888.24, 13,573.09 and 8,744.12 is: 12,002.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.24 : 13,573.09 = 8,744.12 : x
  2. Step 2: Convert to fraction form
    9,888.24/13,573.09 = 8,744.12/x
  3. Step 3: Cross multiply
    9,888.24x = 13,573.09 × 8,744.12
  4. Step 4: Simplify right side
    9,888.24x = 118,684,727.73
  5. Step 5: Solve for x
    x = 118,684,727.73/9,888.24
  6. Step 6: Final answer
    x = 12,002.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.