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Finding the Fourth Proportional to 55,108.93, 76,051.08 and 29,958.97

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Solution

The fourth proportional to 55,108.93, 76,051.08 and 29,958.97 is: 41,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,108.93 : 76,051.08 = 29,958.97 : x
  2. Step 2: Convert to fraction form
    55,108.93/76,051.08 = 29,958.97/x
  3. Step 3: Cross multiply
    55,108.93x = 76,051.08 × 29,958.97
  4. Step 4: Simplify right side
    55,108.93x = 2,278,412,024.19
  5. Step 5: Solve for x
    x = 2,278,412,024.19/55,108.93
  6. Step 6: Final answer
    x = 41,343.79

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1.5x scale

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.