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Finding the Fourth Proportional to 27,797.76, 41,696.64 and 20,903.04

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Solution

The fourth proportional to 27,797.76, 41,696.64 and 20,903.04 is: 31,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,797.76 : 41,696.64 = 20,903.04 : x
  2. Step 2: Convert to fraction form
    27,797.76/41,696.64 = 20,903.04/x
  3. Step 3: Cross multiply
    27,797.76x = 41,696.64 × 20,903.04
  4. Step 4: Simplify right side
    27,797.76x = 871,586,533.79
  5. Step 5: Solve for x
    x = 871,586,533.79/27,797.76
  6. Step 6: Final answer
    x = 31,354.56

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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.