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Finding the Fourth Proportional to 84,552.93, 126,763.79 and 34,645.59

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Solution

The fourth proportional to 84,552.93, 126,763.79 and 34,645.59 is: 51,941.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,552.93 : 126,763.79 = 34,645.59 : x
  2. Step 2: Convert to fraction form
    84,552.93/126,763.79 = 34,645.59/x
  3. Step 3: Cross multiply
    84,552.93x = 126,763.79 × 34,645.59
  4. Step 4: Simplify right side
    84,552.93x = 4,391,806,121.96
  5. Step 5: Solve for x
    x = 4,391,806,121.96/84,552.93
  6. Step 6: Final answer
    x = 51,941.50

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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.