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Finding the Fourth Proportional to 17,886.92, 26,821.74 and 7,495.88

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Solution

The fourth proportional to 17,886.92, 26,821.74 and 7,495.88 is: 11,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,886.92 : 26,821.74 = 7,495.88 : x
  2. Step 2: Convert to fraction form
    17,886.92/26,821.74 = 7,495.88/x
  3. Step 3: Cross multiply
    17,886.92x = 26,821.74 × 7,495.88
  4. Step 4: Simplify right side
    17,886.92x = 201,052,544.43
  5. Step 5: Solve for x
    x = 201,052,544.43/17,886.92
  6. Step 6: Final answer
    x = 11,240.20

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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.