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Finding the Fourth Proportional to 73,082.03, 100,853.14 and 39,548.03

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Solution

The fourth proportional to 73,082.03, 100,853.14 and 39,548.03 is: 54,576.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,082.03 : 100,853.14 = 39,548.03 : x
  2. Step 2: Convert to fraction form
    73,082.03/100,853.14 = 39,548.03/x
  3. Step 3: Cross multiply
    73,082.03x = 100,853.14 × 39,548.03
  4. Step 4: Simplify right side
    73,082.03x = 3,988,543,006.31
  5. Step 5: Solve for x
    x = 3,988,543,006.31/73,082.03
  6. Step 6: Final answer
    x = 54,576.25

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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.