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Finding the Fourth Proportional to 45,394.59, 68,102.81 and 14,229.84

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Solution

The fourth proportional to 45,394.59, 68,102.81 and 14,229.84 is: 21,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,394.59 : 68,102.81 = 14,229.84 : x
  2. Step 2: Convert to fraction form
    45,394.59/68,102.81 = 14,229.84/x
  3. Step 3: Cross multiply
    45,394.59x = 68,102.81 × 14,229.84
  4. Step 4: Simplify right side
    45,394.59x = 969,092,018.70
  5. Step 5: Solve for x
    x = 969,092,018.70/45,394.59
  6. Step 6: Final answer
    x = 21,348.18

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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.