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Finding the Fourth Proportional to 9,832.88, 13,568.88 and 5,583.88

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Solution

The fourth proportional to 9,832.88, 13,568.88 and 5,583.88 is: 7,705.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,832.88 : 13,568.88 = 5,583.88 : x
  2. Step 2: Convert to fraction form
    9,832.88/13,568.88 = 5,583.88/x
  3. Step 3: Cross multiply
    9,832.88x = 13,568.88 × 5,583.88
  4. Step 4: Simplify right side
    9,832.88x = 75,766,997.65
  5. Step 5: Solve for x
    x = 75,766,997.65/9,832.88
  6. Step 6: Final answer
    x = 7,705.47

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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.