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Finding the Fourth Proportional to 30,603.37, 45,905.05 and 10,882.71

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Solution

The fourth proportional to 30,603.37, 45,905.05 and 10,882.71 is: 16,324.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,603.37 : 45,905.05 = 10,882.71 : x
  2. Step 2: Convert to fraction form
    30,603.37/45,905.05 = 10,882.71/x
  3. Step 3: Cross multiply
    30,603.37x = 45,905.05 × 10,882.71
  4. Step 4: Simplify right side
    30,603.37x = 499,571,346.69
  5. Step 5: Solve for x
    x = 499,571,346.69/30,603.37
  6. Step 6: Final answer
    x = 16,324.06

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Similar ratio
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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.