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Finding the Fourth Proportional to 84,029.78, 126,009.02 and 24,849.56

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Solution

The fourth proportional to 84,029.78, 126,009.02 and 24,849.56 is: 37,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,029.78 : 126,009.02 = 24,849.56 : x
  2. Step 2: Convert to fraction form
    84,029.78/126,009.02 = 24,849.56/x
  3. Step 3: Cross multiply
    84,029.78x = 126,009.02 × 24,849.56
  4. Step 4: Simplify right side
    84,029.78x = 3,131,268,703.03
  5. Step 5: Solve for x
    x = 3,131,268,703.03/84,029.78
  6. Step 6: Final answer
    x = 37,263.80

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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.