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Finding the Fourth Proportional to 36,203.80, 54,315.30 and 12,827.80

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Solution

The fourth proportional to 36,203.80, 54,315.30 and 12,827.80 is: 19,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,203.80 : 54,315.30 = 12,827.80 : x
  2. Step 2: Convert to fraction form
    36,203.80/54,315.30 = 12,827.80/x
  3. Step 3: Cross multiply
    36,203.80x = 54,315.30 × 12,827.80
  4. Step 4: Simplify right side
    36,203.80x = 696,745,805.34
  5. Step 5: Solve for x
    x = 696,745,805.34/36,203.80
  6. Step 6: Final answer
    x = 19,245.10

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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.