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Finding the Fourth Proportional to 58,169.60, 87,266.80 and 33,221.60

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Solution

The fourth proportional to 58,169.60, 87,266.80 and 33,221.60 is: 49,839.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,169.60 : 87,266.80 = 33,221.60 : x
  2. Step 2: Convert to fraction form
    58,169.60/87,266.80 = 33,221.60/x
  3. Step 3: Cross multiply
    58,169.60x = 87,266.80 × 33,221.60
  4. Step 4: Simplify right side
    58,169.60x = 2,899,142,722.88
  5. Step 5: Solve for x
    x = 2,899,142,722.88/58,169.60
  6. Step 6: Final answer
    x = 49,839.48

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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.