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Finding the Fourth Proportional to 58,491.62, 80,728.36 and 33,005.21

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Solution

The fourth proportional to 58,491.62, 80,728.36 and 33,005.21 is: 45,552.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,491.62 : 80,728.36 = 33,005.21 : x
  2. Step 2: Convert to fraction form
    58,491.62/80,728.36 = 33,005.21/x
  3. Step 3: Cross multiply
    58,491.62x = 80,728.36 × 33,005.21
  4. Step 4: Simplify right side
    58,491.62x = 2,664,456,375.59
  5. Step 5: Solve for x
    x = 2,664,456,375.59/58,491.62
  6. Step 6: Final answer
    x = 45,552.79

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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.