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Finding the Fourth Proportional to 66,058.84, 91,149.78 and 37,379.80

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Solution

The fourth proportional to 66,058.84, 91,149.78 and 37,379.80 is: 51,577.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,058.84 : 91,149.78 = 37,379.80 : x
  2. Step 2: Convert to fraction form
    66,058.84/91,149.78 = 37,379.80/x
  3. Step 3: Cross multiply
    66,058.84x = 91,149.78 × 37,379.80
  4. Step 4: Simplify right side
    66,058.84x = 3,407,160,546.44
  5. Step 5: Solve for x
    x = 3,407,160,546.44/66,058.84
  6. Step 6: Final answer
    x = 51,577.66

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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.