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Finding the Fourth Proportional to 32,808.80, 49,234.80 and 18,768.80

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Solution

The fourth proportional to 32,808.80, 49,234.80 and 18,768.80 is: 28,165.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,808.80 : 49,234.80 = 18,768.80 : x
  2. Step 2: Convert to fraction form
    32,808.80/49,234.80 = 18,768.80/x
  3. Step 3: Cross multiply
    32,808.80x = 49,234.80 × 18,768.80
  4. Step 4: Simplify right side
    32,808.80x = 924,078,114.24
  5. Step 5: Solve for x
    x = 924,078,114.24/32,808.80
  6. Step 6: Final answer
    x = 28,165.56

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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.