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Finding the Fourth Proportional to 17,464.80, 26,145.72 and 11,530.80

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Solution

The fourth proportional to 17,464.80, 26,145.72 and 11,530.80 is: 17,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,464.80 : 26,145.72 = 11,530.80 : x
  2. Step 2: Convert to fraction form
    17,464.80/26,145.72 = 11,530.80/x
  3. Step 3: Cross multiply
    17,464.80x = 26,145.72 × 11,530.80
  4. Step 4: Simplify right side
    17,464.80x = 301,481,068.18
  5. Step 5: Solve for x
    x = 301,481,068.18/17,464.80
  6. Step 6: Final answer
    x = 17,262.21

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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.