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Finding the Fourth Proportional to 50,904.72, 76,359.48 and 42,003.54

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Solution

The fourth proportional to 50,904.72, 76,359.48 and 42,003.54 is: 63,007.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,904.72 : 76,359.48 = 42,003.54 : x
  2. Step 2: Convert to fraction form
    50,904.72/76,359.48 = 42,003.54/x
  3. Step 3: Cross multiply
    50,904.72x = 76,359.48 × 42,003.54
  4. Step 4: Simplify right side
    50,904.72x = 3,207,368,472.56
  5. Step 5: Solve for x
    x = 3,207,368,472.56/50,904.72
  6. Step 6: Final answer
    x = 63,007.29

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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.