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Finding the Fourth Proportional to 45,969.80, 63,446.58 and 27,105.80

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Solution

The fourth proportional to 45,969.80, 63,446.58 and 27,105.80 is: 37,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,969.80 : 63,446.58 = 27,105.80 : x
  2. Step 2: Convert to fraction form
    45,969.80/63,446.58 = 27,105.80/x
  3. Step 3: Cross multiply
    45,969.80x = 63,446.58 × 27,105.80
  4. Step 4: Simplify right side
    45,969.80x = 1,719,770,308.16
  5. Step 5: Solve for x
    x = 1,719,770,308.16/45,969.80
  6. Step 6: Final answer
    x = 37,410.87

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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.