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Finding the Fourth Proportional to 38,306.49, 57,459.78 and 10,604.49

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Solution

The fourth proportional to 38,306.49, 57,459.78 and 10,604.49 is: 15,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,306.49 : 57,459.78 = 10,604.49 : x
  2. Step 2: Convert to fraction form
    38,306.49/57,459.78 = 10,604.49/x
  3. Step 3: Cross multiply
    38,306.49x = 57,459.78 × 10,604.49
  4. Step 4: Simplify right side
    38,306.49x = 609,331,662.41
  5. Step 5: Solve for x
    x = 609,331,662.41/38,306.49
  6. Step 6: Final answer
    x = 15,906.75

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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.