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Finding the Fourth Proportional to 84,394.58, 126,591.84 and 34,465.97

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Solution

The fourth proportional to 84,394.58, 126,591.84 and 34,465.97 is: 51,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,394.58 : 126,591.84 = 34,465.97 : x
  2. Step 2: Convert to fraction form
    84,394.58/126,591.84 = 34,465.97/x
  3. Step 3: Cross multiply
    84,394.58x = 126,591.84 × 34,465.97
  4. Step 4: Simplify right side
    84,394.58x = 4,363,110,559.68
  5. Step 5: Solve for x
    x = 4,363,110,559.68/84,394.58
  6. Step 6: Final answer
    x = 51,698.94

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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.