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Finding the Fourth Proportional to 43,954.88, 65,956.91 and 17,678.07

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Solution

The fourth proportional to 43,954.88, 65,956.91 and 17,678.07 is: 26,527.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,954.88 : 65,956.91 = 17,678.07 : x
  2. Step 2: Convert to fraction form
    43,954.88/65,956.91 = 17,678.07/x
  3. Step 3: Cross multiply
    43,954.88x = 65,956.91 × 17,678.07
  4. Step 4: Simplify right side
    43,954.88x = 1,165,990,783.57
  5. Step 5: Solve for x
    x = 1,165,990,783.57/43,954.88
  6. Step 6: Final answer
    x = 26,527.00

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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.