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Finding the Fourth Proportional to 33,585.66, 50,372.93 and 12,520.11

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Solution

The fourth proportional to 33,585.66, 50,372.93 and 12,520.11 is: 18,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,585.66 : 50,372.93 = 12,520.11 : x
  2. Step 2: Convert to fraction form
    33,585.66/50,372.93 = 12,520.11/x
  3. Step 3: Cross multiply
    33,585.66x = 50,372.93 × 12,520.11
  4. Step 4: Simplify right side
    33,585.66x = 630,674,562.02
  5. Step 5: Solve for x
    x = 630,674,562.02/33,585.66
  6. Step 6: Final answer
    x = 18,778.09

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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.