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Finding the Fourth Proportional to 49,190.70, 73,676.70 and 38,061.30

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Solution

The fourth proportional to 49,190.70, 73,676.70 and 38,061.30 is: 57,007.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,190.70 : 73,676.70 = 38,061.30 : x
  2. Step 2: Convert to fraction form
    49,190.70/73,676.70 = 38,061.30/x
  3. Step 3: Cross multiply
    49,190.70x = 73,676.70 × 38,061.30
  4. Step 4: Simplify right side
    49,190.70x = 2,804,230,981.71
  5. Step 5: Solve for x
    x = 2,804,230,981.71/49,190.70
  6. Step 6: Final answer
    x = 57,007.34

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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.