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Finding the Fourth Proportional to 60,890.69, 84,028.86 and 34,033.16

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Solution

The fourth proportional to 60,890.69, 84,028.86 and 34,033.16 is: 46,965.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,890.69 : 84,028.86 = 34,033.16 : x
  2. Step 2: Convert to fraction form
    60,890.69/84,028.86 = 34,033.16/x
  3. Step 3: Cross multiply
    60,890.69x = 84,028.86 × 34,033.16
  4. Step 4: Simplify right side
    60,890.69x = 2,859,767,216.85
  5. Step 5: Solve for x
    x = 2,859,767,216.85/60,890.69
  6. Step 6: Final answer
    x = 46,965.59

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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.