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Finding the Fourth Proportional to 83,047.97, 124,511.59 and 33,113.09

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Solution

The fourth proportional to 83,047.97, 124,511.59 and 33,113.09 is: 49,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,047.97 : 124,511.59 = 33,113.09 : x
  2. Step 2: Convert to fraction form
    83,047.97/124,511.59 = 33,113.09/x
  3. Step 3: Cross multiply
    83,047.97x = 124,511.59 × 33,113.09
  4. Step 4: Simplify right side
    83,047.97x = 4,122,963,485.71
  5. Step 5: Solve for x
    x = 4,122,963,485.71/83,047.97
  6. Step 6: Final answer
    x = 49,645.57

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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.