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Finding the Fourth Proportional to 43,460.94, 65,191.42 and 27,976.98

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Solution

The fourth proportional to 43,460.94, 65,191.42 and 27,976.98 is: 41,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,460.94 : 65,191.42 = 27,976.98 : x
  2. Step 2: Convert to fraction form
    43,460.94/65,191.42 = 27,976.98/x
  3. Step 3: Cross multiply
    43,460.94x = 65,191.42 × 27,976.98
  4. Step 4: Simplify right side
    43,460.94x = 1,823,859,053.51
  5. Step 5: Solve for x
    x = 1,823,859,053.51/43,460.94
  6. Step 6: Final answer
    x = 41,965.48

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Double scale
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Similar ratio
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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.