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Finding the Fourth Proportional to 17,317.54, 25,974.48 and 7,455.38

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Solution

The fourth proportional to 17,317.54, 25,974.48 and 7,455.38 is: 11,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,317.54 : 25,974.48 = 7,455.38 : x
  2. Step 2: Convert to fraction form
    17,317.54/25,974.48 = 7,455.38/x
  3. Step 3: Cross multiply
    17,317.54x = 25,974.48 × 7,455.38
  4. Step 4: Simplify right side
    17,317.54x = 193,649,683.64
  5. Step 5: Solve for x
    x = 193,649,683.64/17,317.54
  6. Step 6: Final answer
    x = 11,182.29

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1.5x scale

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.