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Finding the Fourth Proportional to 33,477.20, 50,158.20 and 17,658.80

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Solution

The fourth proportional to 33,477.20, 50,158.20 and 17,658.80 is: 26,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,477.20 : 50,158.20 = 17,658.80 : x
  2. Step 2: Convert to fraction form
    33,477.20/50,158.20 = 17,658.80/x
  3. Step 3: Cross multiply
    33,477.20x = 50,158.20 × 17,658.80
  4. Step 4: Simplify right side
    33,477.20x = 885,733,622.16
  5. Step 5: Solve for x
    x = 885,733,622.16/33,477.20
  6. Step 6: Final answer
    x = 26,457.82

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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.