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Finding the Fourth Proportional to 17,305.45, 25,953.04 and 7,442.38

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Solution

The fourth proportional to 17,305.45, 25,953.04 and 7,442.38 is: 11,161.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,305.45 : 25,953.04 = 7,442.38 : x
  2. Step 2: Convert to fraction form
    17,305.45/25,953.04 = 7,442.38/x
  3. Step 3: Cross multiply
    17,305.45x = 25,953.04 × 7,442.38
  4. Step 4: Simplify right side
    17,305.45x = 193,152,427.58
  5. Step 5: Solve for x
    x = 193,152,427.58/17,305.45
  6. Step 6: Final answer
    x = 11,161.37

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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.