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Finding the Fourth Proportional to 17,651, 26,485.46 and 11,731.93

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Solution

The fourth proportional to 17,651, 26,485.46 and 11,731.93 is: 17,603.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,651 : 26,485.46 = 11,731.93 : x
  2. Step 2: Convert to fraction form
    17,651/26,485.46 = 11,731.93/x
  3. Step 3: Cross multiply
    17,651x = 26,485.46 × 11,731.93
  4. Step 4: Simplify right side
    17,651x = 310,725,562.74
  5. Step 5: Solve for x
    x = 310,725,562.74/17,651
  6. Step 6: Final answer
    x = 17,603.85

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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.