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Finding the Fourth Proportional to 49,485.66, 68,290.97 and 28,264.97

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Solution

The fourth proportional to 49,485.66, 68,290.97 and 28,264.97 is: 39,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,485.66 : 68,290.97 = 28,264.97 : x
  2. Step 2: Convert to fraction form
    49,485.66/68,290.97 = 28,264.97/x
  3. Step 3: Cross multiply
    49,485.66x = 68,290.97 × 28,264.97
  4. Step 4: Simplify right side
    49,485.66x = 1,930,241,735.54
  5. Step 5: Solve for x
    x = 1,930,241,735.54/49,485.66
  6. Step 6: Final answer
    x = 39,006.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.