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Finding the Fourth Proportional to 17,245.25, 25,852.47 and 7,379.45

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Solution

The fourth proportional to 17,245.25, 25,852.47 and 7,379.45 is: 11,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,245.25 : 25,852.47 = 7,379.45 : x
  2. Step 2: Convert to fraction form
    17,245.25/25,852.47 = 7,379.45/x
  3. Step 3: Cross multiply
    17,245.25x = 25,852.47 × 7,379.45
  4. Step 4: Simplify right side
    17,245.25x = 190,777,009.74
  5. Step 5: Solve for x
    x = 190,777,009.74/17,245.25
  6. Step 6: Final answer
    x = 11,062.58

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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.