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Finding the Fourth Proportional to 55,896.87, 83,763.76 and 25,920.25

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Solution

The fourth proportional to 55,896.87, 83,763.76 and 25,920.25 is: 38,842.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,896.87 : 83,763.76 = 25,920.25 : x
  2. Step 2: Convert to fraction form
    55,896.87/83,763.76 = 25,920.25/x
  3. Step 3: Cross multiply
    55,896.87x = 83,763.76 × 25,920.25
  4. Step 4: Simplify right side
    55,896.87x = 2,171,177,600.14
  5. Step 5: Solve for x
    x = 2,171,177,600.14/55,896.87
  6. Step 6: Final answer
    x = 38,842.56

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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.