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Finding the Fourth Proportional to 46,100, 69,134.58 and 18,012.77

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Solution

The fourth proportional to 46,100, 69,134.58 and 18,012.77 is: 27,013.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,100 : 69,134.58 = 18,012.77 : x
  2. Step 2: Convert to fraction form
    46,100/69,134.58 = 18,012.77/x
  3. Step 3: Cross multiply
    46,100x = 69,134.58 × 18,012.77
  4. Step 4: Simplify right side
    46,100x = 1,245,305,288.59
  5. Step 5: Solve for x
    x = 1,245,305,288.59/46,100
  6. Step 6: Final answer
    x = 27,013.13

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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.