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Finding the Fourth Proportional to 30,546.35, 45,817.84 and 8,358.14

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Solution

The fourth proportional to 30,546.35, 45,817.84 and 8,358.14 is: 12,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,546.35 : 45,817.84 = 8,358.14 : x
  2. Step 2: Convert to fraction form
    30,546.35/45,817.84 = 8,358.14/x
  3. Step 3: Cross multiply
    30,546.35x = 45,817.84 × 8,358.14
  4. Step 4: Simplify right side
    30,546.35x = 382,951,776.73
  5. Step 5: Solve for x
    x = 382,951,776.73/30,546.35
  6. Step 6: Final answer
    x = 12,536.74

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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.