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Finding the Fourth Proportional to 58,520.86, 80,759.54 and 33,028.63

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Solution

The fourth proportional to 58,520.86, 80,759.54 and 33,028.63 is: 45,579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,520.86 : 80,759.54 = 33,028.63 : x
  2. Step 2: Convert to fraction form
    58,520.86/80,759.54 = 33,028.63/x
  3. Step 3: Cross multiply
    58,520.86x = 80,759.54 × 33,028.63
  4. Step 4: Simplify right side
    58,520.86x = 2,667,376,965.63
  5. Step 5: Solve for x
    x = 2,667,376,965.63/58,520.86
  6. Step 6: Final answer
    x = 45,579.93

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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.