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Finding the Fourth Proportional to 60,890.16, 84,028.16 and 34,032.68

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Solution

The fourth proportional to 60,890.16, 84,028.16 and 34,032.68 is: 46,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,890.16 : 84,028.16 = 34,032.68 : x
  2. Step 2: Convert to fraction form
    60,890.16/84,028.16 = 34,032.68/x
  3. Step 3: Cross multiply
    60,890.16x = 84,028.16 × 34,032.68
  4. Step 4: Simplify right side
    60,890.16x = 2,859,703,480.27
  5. Step 5: Solve for x
    x = 2,859,703,480.27/60,890.16
  6. Step 6: Final answer
    x = 46,964.95

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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.