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Finding the Fourth Proportional to 73,427.36, 101,329.08 and 39,893.36

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Solution

The fourth proportional to 73,427.36, 101,329.08 and 39,893.36 is: 55,052.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,427.36 : 101,329.08 = 39,893.36 : x
  2. Step 2: Convert to fraction form
    73,427.36/101,329.08 = 39,893.36/x
  3. Step 3: Cross multiply
    73,427.36x = 101,329.08 × 39,893.36
  4. Step 4: Simplify right side
    73,427.36x = 4,042,357,466.91
  5. Step 5: Solve for x
    x = 4,042,357,466.91/73,427.36
  6. Step 6: Final answer
    x = 55,052.47

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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.