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Finding the Fourth Proportional to 58,288.96, 80,435.92 and 33,137.92

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Solution

The fourth proportional to 58,288.96, 80,435.92 and 33,137.92 is: 45,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,288.96 : 80,435.92 = 33,137.92 : x
  2. Step 2: Convert to fraction form
    58,288.96/80,435.92 = 33,137.92/x
  3. Step 3: Cross multiply
    58,288.96x = 80,435.92 × 33,137.92
  4. Step 4: Simplify right side
    58,288.96x = 2,665,479,082.09
  5. Step 5: Solve for x
    x = 2,665,479,082.09/58,288.96
  6. Step 6: Final answer
    x = 45,728.71

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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.