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Finding the Fourth Proportional to 70,732.94, 106,097.87 and 33,272.25

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Solution

The fourth proportional to 70,732.94, 106,097.87 and 33,272.25 is: 49,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,732.94 : 106,097.87 = 33,272.25 : x
  2. Step 2: Convert to fraction form
    70,732.94/106,097.87 = 33,272.25/x
  3. Step 3: Cross multiply
    70,732.94x = 106,097.87 × 33,272.25
  4. Step 4: Simplify right side
    70,732.94x = 3,530,114,548.27
  5. Step 5: Solve for x
    x = 3,530,114,548.27/70,732.94
  6. Step 6: Final answer
    x = 49,907.65

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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.