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Finding the Fourth Proportional to 30,529.49, 45,800.82 and 9,469.12

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Solution

The fourth proportional to 30,529.49, 45,800.82 and 9,469.12 is: 14,205.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,529.49 : 45,800.82 = 9,469.12 : x
  2. Step 2: Convert to fraction form
    30,529.49/45,800.82 = 9,469.12/x
  3. Step 3: Cross multiply
    30,529.49x = 45,800.82 × 9,469.12
  4. Step 4: Simplify right side
    30,529.49x = 433,693,260.30
  5. Step 5: Solve for x
    x = 433,693,260.30/30,529.49
  6. Step 6: Final answer
    x = 14,205.71

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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.