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Finding the Fourth Proportional to 11,850.32, 17,736.91 and 8,729.10

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Solution

The fourth proportional to 11,850.32, 17,736.91 and 8,729.10 is: 13,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.32 : 17,736.91 = 8,729.10 : x
  2. Step 2: Convert to fraction form
    11,850.32/17,736.91 = 8,729.10/x
  3. Step 3: Cross multiply
    11,850.32x = 17,736.91 × 8,729.10
  4. Step 4: Simplify right side
    11,850.32x = 154,827,239.26
  5. Step 5: Solve for x
    x = 154,827,239.26/11,850.32
  6. Step 6: Final answer
    x = 13,065.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.