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Finding the Fourth Proportional to 52,466.65, 72,395.70 and 29,491.94

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Solution

The fourth proportional to 52,466.65, 72,395.70 and 29,491.94 is: 40,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,466.65 : 72,395.70 = 29,491.94 : x
  2. Step 2: Convert to fraction form
    52,466.65/72,395.70 = 29,491.94/x
  3. Step 3: Cross multiply
    52,466.65x = 72,395.70 × 29,491.94
  4. Step 4: Simplify right side
    52,466.65x = 2,135,089,640.66
  5. Step 5: Solve for x
    x = 2,135,089,640.66/52,466.65
  6. Step 6: Final answer
    x = 40,694.22

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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.