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Finding the Fourth Proportional to 46,489.79, 69,734.07 and 11,429.75

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Solution

The fourth proportional to 46,489.79, 69,734.07 and 11,429.75 is: 17,144.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,489.79 : 69,734.07 = 11,429.75 : x
  2. Step 2: Convert to fraction form
    46,489.79/69,734.07 = 11,429.75/x
  3. Step 3: Cross multiply
    46,489.79x = 69,734.07 × 11,429.75
  4. Step 4: Simplify right side
    46,489.79x = 797,043,160.92
  5. Step 5: Solve for x
    x = 797,043,160.92/46,489.79
  6. Step 6: Final answer
    x = 17,144.48

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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.