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Finding the Fourth Proportional to 51,297.28, 76,944.48 and 27,969.28

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Solution

The fourth proportional to 51,297.28, 76,944.48 and 27,969.28 is: 41,953.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,297.28 : 76,944.48 = 27,969.28 : x
  2. Step 2: Convert to fraction form
    51,297.28/76,944.48 = 27,969.28/x
  3. Step 3: Cross multiply
    51,297.28x = 76,944.48 × 27,969.28
  4. Step 4: Simplify right side
    51,297.28x = 2,152,081,705.57
  5. Step 5: Solve for x
    x = 2,152,081,705.57/51,297.28
  6. Step 6: Final answer
    x = 41,953.13

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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.