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Finding the Fourth Proportional to 72,963.38, 100,676.66 and 41,133.62

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Solution

The fourth proportional to 72,963.38, 100,676.66 and 41,133.62 is: 56,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,963.38 : 100,676.66 = 41,133.62 : x
  2. Step 2: Convert to fraction form
    72,963.38/100,676.66 = 41,133.62/x
  3. Step 3: Cross multiply
    72,963.38x = 100,676.66 × 41,133.62
  4. Step 4: Simplify right side
    72,963.38x = 4,141,195,475.31
  5. Step 5: Solve for x
    x = 4,141,195,475.31/72,963.38
  6. Step 6: Final answer
    x = 56,757.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.