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Finding the Fourth Proportional to 83,855.94, 125,696.41 and 33,970.47

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Solution

The fourth proportional to 83,855.94, 125,696.41 and 33,970.47 is: 50,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,855.94 : 125,696.41 = 33,970.47 : x
  2. Step 2: Convert to fraction form
    83,855.94/125,696.41 = 33,970.47/x
  3. Step 3: Cross multiply
    83,855.94x = 125,696.41 × 33,970.47
  4. Step 4: Simplify right side
    83,855.94x = 4,269,966,125.01
  5. Step 5: Solve for x
    x = 4,269,966,125.01/83,855.94
  6. Step 6: Final answer
    x = 50,920.26

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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.