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Finding the Fourth Proportional to 75,491.76, 113,268.69 and 33,349.62

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Solution

The fourth proportional to 75,491.76, 113,268.69 and 33,349.62 is: 50,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,491.76 : 113,268.69 = 33,349.62 : x
  2. Step 2: Convert to fraction form
    75,491.76/113,268.69 = 33,349.62/x
  3. Step 3: Cross multiply
    75,491.76x = 113,268.69 × 33,349.62
  4. Step 4: Simplify right side
    75,491.76x = 3,777,467,769.40
  5. Step 5: Solve for x
    x = 3,777,467,769.40/75,491.76
  6. Step 6: Final answer
    x = 50,038.15

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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.