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Finding the Fourth Proportional to 84,273.76, 126,410.59 and 25,107.90

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Solution

The fourth proportional to 84,273.76, 126,410.59 and 25,107.90 is: 37,661.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,273.76 : 126,410.59 = 25,107.90 : x
  2. Step 2: Convert to fraction form
    84,273.76/126,410.59 = 25,107.90/x
  3. Step 3: Cross multiply
    84,273.76x = 126,410.59 × 25,107.90
  4. Step 4: Simplify right side
    84,273.76x = 3,173,904,452.66
  5. Step 5: Solve for x
    x = 3,173,904,452.66/84,273.76
  6. Step 6: Final answer
    x = 37,661.84

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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.