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Finding the Fourth Proportional to 30,273.35, 45,411.98 and 9,214.97

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Solution

The fourth proportional to 30,273.35, 45,411.98 and 9,214.97 is: 13,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,273.35 : 45,411.98 = 9,214.97 : x
  2. Step 2: Convert to fraction form
    30,273.35/45,411.98 = 9,214.97/x
  3. Step 3: Cross multiply
    30,273.35x = 45,411.98 × 9,214.97
  4. Step 4: Simplify right side
    30,273.35x = 418,469,760.21
  5. Step 5: Solve for x
    x = 418,469,760.21/30,273.35
  6. Step 6: Final answer
    x = 13,823.04

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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.