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Finding the Fourth Proportional to 17,315, 25,950.58 and 11,072.60

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Solution

The fourth proportional to 17,315, 25,950.58 and 11,072.60 is: 16,594.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,315 : 25,950.58 = 11,072.60 : x
  2. Step 2: Convert to fraction form
    17,315/25,950.58 = 11,072.60/x
  3. Step 3: Cross multiply
    17,315x = 25,950.58 × 11,072.60
  4. Step 4: Simplify right side
    17,315x = 287,340,392.11
  5. Step 5: Solve for x
    x = 287,340,392.11/17,315
  6. Step 6: Final answer
    x = 16,594.88

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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.