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Finding the Fourth Proportional to 30,481.84, 45,725.01 and 8,296.93

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Solution

The fourth proportional to 30,481.84, 45,725.01 and 8,296.93 is: 12,446.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,481.84 : 45,725.01 = 8,296.93 : x
  2. Step 2: Convert to fraction form
    30,481.84/45,725.01 = 8,296.93/x
  3. Step 3: Cross multiply
    30,481.84x = 45,725.01 × 8,296.93
  4. Step 4: Simplify right side
    30,481.84x = 379,377,207.22
  5. Step 5: Solve for x
    x = 379,377,207.22/30,481.84
  6. Step 6: Final answer
    x = 12,446.01

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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.