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Finding the Fourth Proportional to 54,082.03, 81,123.03 and 39,384.49

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Solution

The fourth proportional to 54,082.03, 81,123.03 and 39,384.49 is: 59,076.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,082.03 : 81,123.03 = 39,384.49 : x
  2. Step 2: Convert to fraction form
    54,082.03/81,123.03 = 39,384.49/x
  3. Step 3: Cross multiply
    54,082.03x = 81,123.03 × 39,384.49
  4. Step 4: Simplify right side
    54,082.03x = 3,194,989,163.80
  5. Step 5: Solve for x
    x = 3,194,989,163.80/54,082.03
  6. Step 6: Final answer
    x = 59,076.72

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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.