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Finding the Fourth Proportional to 73,338.28, 101,208 and 39,804.28

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Solution

The fourth proportional to 73,338.28, 101,208 and 39,804.28 is: 54,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,338.28 : 101,208 = 39,804.28 : x
  2. Step 2: Convert to fraction form
    73,338.28/101,208 = 39,804.28/x
  3. Step 3: Cross multiply
    73,338.28x = 101,208 × 39,804.28
  4. Step 4: Simplify right side
    73,338.28x = 4,028,511,570.24
  5. Step 5: Solve for x
    x = 4,028,511,570.24/73,338.28
  6. Step 6: Final answer
    x = 54,930.54

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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.