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Finding the Fourth Proportional to 17,387.87, 26,073.29 and 6,292.89

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Solution

The fourth proportional to 17,387.87, 26,073.29 and 6,292.89 is: 9,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.87 : 26,073.29 = 6,292.89 : x
  2. Step 2: Convert to fraction form
    17,387.87/26,073.29 = 6,292.89/x
  3. Step 3: Cross multiply
    17,387.87x = 26,073.29 × 6,292.89
  4. Step 4: Simplify right side
    17,387.87x = 164,076,361.64
  5. Step 5: Solve for x
    x = 164,076,361.64/17,387.87
  6. Step 6: Final answer
    x = 9,436.26

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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.