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Finding the Fourth Proportional to 51,640.88, 77,469.42 and 22,058.88

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Solution

The fourth proportional to 51,640.88, 77,469.42 and 22,058.88 is: 33,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,640.88 : 77,469.42 = 22,058.88 : x
  2. Step 2: Convert to fraction form
    51,640.88/77,469.42 = 22,058.88/x
  3. Step 3: Cross multiply
    51,640.88x = 77,469.42 × 22,058.88
  4. Step 4: Simplify right side
    51,640.88x = 1,708,888,639.45
  5. Step 5: Solve for x
    x = 1,708,888,639.45/51,640.88
  6. Step 6: Final answer
    x = 33,091.78

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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.