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Finding the Fourth Proportional to 43,700.90, 60,291.69 and 25,786.94

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Solution

The fourth proportional to 43,700.90, 60,291.69 and 25,786.94 is: 35,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,700.90 : 60,291.69 = 25,786.94 : x
  2. Step 2: Convert to fraction form
    43,700.90/60,291.69 = 25,786.94/x
  3. Step 3: Cross multiply
    43,700.90x = 60,291.69 × 25,786.94
  4. Step 4: Simplify right side
    43,700.90x = 1,554,738,192.53
  5. Step 5: Solve for x
    x = 1,554,738,192.53/43,700.90
  6. Step 6: Final answer
    x = 35,576.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.