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Finding the Fourth Proportional to 17,307, 25,960.50 and 5,621.04

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Solution

The fourth proportional to 17,307, 25,960.50 and 5,621.04 is: 8,431.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,307 : 25,960.50 = 5,621.04 : x
  2. Step 2: Convert to fraction form
    17,307/25,960.50 = 5,621.04/x
  3. Step 3: Cross multiply
    17,307x = 25,960.50 × 5,621.04
  4. Step 4: Simplify right side
    17,307x = 145,925,008.92
  5. Step 5: Solve for x
    x = 145,925,008.92/17,307
  6. Step 6: Final answer
    x = 8,431.56

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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.