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Finding the Fourth Proportional to 58,451.12, 80,642.80 and 33,282.80

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Solution

The fourth proportional to 58,451.12, 80,642.80 and 33,282.80 is: 45,919.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,451.12 : 80,642.80 = 33,282.80 : x
  2. Step 2: Convert to fraction form
    58,451.12/80,642.80 = 33,282.80/x
  3. Step 3: Cross multiply
    58,451.12x = 80,642.80 × 33,282.80
  4. Step 4: Simplify right side
    58,451.12x = 2,684,018,183.84
  5. Step 5: Solve for x
    x = 2,684,018,183.84/58,451.12
  6. Step 6: Final answer
    x = 45,919.02

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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.