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Finding the Fourth Proportional to 32,910.80, 49,366.20 and 18,165.20

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Solution

The fourth proportional to 32,910.80, 49,366.20 and 18,165.20 is: 27,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,910.80 : 49,366.20 = 18,165.20 : x
  2. Step 2: Convert to fraction form
    32,910.80/49,366.20 = 18,165.20/x
  3. Step 3: Cross multiply
    32,910.80x = 49,366.20 × 18,165.20
  4. Step 4: Simplify right side
    32,910.80x = 896,746,896.24
  5. Step 5: Solve for x
    x = 896,746,896.24/32,910.80
  6. Step 6: Final answer
    x = 27,247.80

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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.