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Finding the Fourth Proportional to 84,051.78, 126,060.20 and 24,873.58

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Solution

The fourth proportional to 84,051.78, 126,060.20 and 24,873.58 is: 37,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,051.78 : 126,060.20 = 24,873.58 : x
  2. Step 2: Convert to fraction form
    84,051.78/126,060.20 = 24,873.58/x
  3. Step 3: Cross multiply
    84,051.78x = 126,060.20 × 24,873.58
  4. Step 4: Simplify right side
    84,051.78x = 3,135,568,596.00
  5. Step 5: Solve for x
    x = 3,135,568,596.00/84,051.78
  6. Step 6: Final answer
    x = 37,305.20

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1.5x scale

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.