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Finding the Fourth Proportional to 30,624.39, 45,936.57 and 9,847.89

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Solution

The fourth proportional to 30,624.39, 45,936.57 and 9,847.89 is: 14,771.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,624.39 : 45,936.57 = 9,847.89 : x
  2. Step 2: Convert to fraction form
    30,624.39/45,936.57 = 9,847.89/x
  3. Step 3: Cross multiply
    30,624.39x = 45,936.57 × 9,847.89
  4. Step 4: Simplify right side
    30,624.39x = 452,378,288.34
  5. Step 5: Solve for x
    x = 452,378,288.34/30,624.39
  6. Step 6: Final answer
    x = 14,771.83

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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.