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Finding the Fourth Proportional to 17,765.33, 26,643.13 and 6,671.16

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Solution

The fourth proportional to 17,765.33, 26,643.13 and 6,671.16 is: 10,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765.33 : 26,643.13 = 6,671.16 : x
  2. Step 2: Convert to fraction form
    17,765.33/26,643.13 = 6,671.16/x
  3. Step 3: Cross multiply
    17,765.33x = 26,643.13 × 6,671.16
  4. Step 4: Simplify right side
    17,765.33x = 177,740,566.45
  5. Step 5: Solve for x
    x = 177,740,566.45/17,765.33
  6. Step 6: Final answer
    x = 10,004.91

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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.