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Finding the Fourth Proportional to 17,426.75, 26,133.74 and 7,430.33

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Solution

The fourth proportional to 17,426.75, 26,133.74 and 7,430.33 is: 11,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,426.75 : 26,133.74 = 7,430.33 : x
  2. Step 2: Convert to fraction form
    17,426.75/26,133.74 = 7,430.33/x
  3. Step 3: Cross multiply
    17,426.75x = 26,133.74 × 7,430.33
  4. Step 4: Simplify right side
    17,426.75x = 194,182,368.38
  5. Step 5: Solve for x
    x = 194,182,368.38/17,426.75
  6. Step 6: Final answer
    x = 11,142.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.