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Finding the Fourth Proportional to 33,499.20, 50,248.80 and 8,539.20

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Solution

The fourth proportional to 33,499.20, 50,248.80 and 8,539.20 is: 12,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,499.20 : 50,248.80 = 8,539.20 : x
  2. Step 2: Convert to fraction form
    33,499.20/50,248.80 = 8,539.20/x
  3. Step 3: Cross multiply
    33,499.20x = 50,248.80 × 8,539.20
  4. Step 4: Simplify right side
    33,499.20x = 429,084,552.96
  5. Step 5: Solve for x
    x = 429,084,552.96/33,499.20
  6. Step 6: Final answer
    x = 12,808.80

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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.