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Finding the Fourth Proportional to 46,670.80, 69,961.93 and 18,608.10

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Solution

The fourth proportional to 46,670.80, 69,961.93 and 18,608.10 is: 27,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,670.80 : 69,961.93 = 18,608.10 : x
  2. Step 2: Convert to fraction form
    46,670.80/69,961.93 = 18,608.10/x
  3. Step 3: Cross multiply
    46,670.80x = 69,961.93 × 18,608.10
  4. Step 4: Simplify right side
    46,670.80x = 1,301,858,589.63
  5. Step 5: Solve for x
    x = 1,301,858,589.63/46,670.80
  6. Step 6: Final answer
    x = 27,894.50

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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.