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Finding the Fourth Proportional to 69,352.91, 104,029.37 and 16,762.38

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Solution

The fourth proportional to 69,352.91, 104,029.37 and 16,762.38 is: 25,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,352.91 : 104,029.37 = 16,762.38 : x
  2. Step 2: Convert to fraction form
    69,352.91/104,029.37 = 16,762.38/x
  3. Step 3: Cross multiply
    69,352.91x = 104,029.37 × 16,762.38
  4. Step 4: Simplify right side
    69,352.91x = 1,743,779,831.10
  5. Step 5: Solve for x
    x = 1,743,779,831.10/69,352.91
  6. Step 6: Final answer
    x = 25,143.57

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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.