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Finding the Fourth Proportional to 30,558.92, 45,842.01 and 10,839.44

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Solution

The fourth proportional to 30,558.92, 45,842.01 and 10,839.44 is: 16,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,558.92 : 45,842.01 = 10,839.44 : x
  2. Step 2: Convert to fraction form
    30,558.92/45,842.01 = 10,839.44/x
  3. Step 3: Cross multiply
    30,558.92x = 45,842.01 × 10,839.44
  4. Step 4: Simplify right side
    30,558.92x = 496,901,716.87
  5. Step 5: Solve for x
    x = 496,901,716.87/30,558.92
  6. Step 6: Final answer
    x = 16,260.45

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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.