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Finding the Fourth Proportional to 55,832.57, 83,730.86 and 18,383.73

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Solution

The fourth proportional to 55,832.57, 83,730.86 and 18,383.73 is: 27,569.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,832.57 : 83,730.86 = 18,383.73 : x
  2. Step 2: Convert to fraction form
    55,832.57/83,730.86 = 18,383.73/x
  3. Step 3: Cross multiply
    55,832.57x = 83,730.86 × 18,383.73
  4. Step 4: Simplify right side
    55,832.57x = 1,539,285,522.91
  5. Step 5: Solve for x
    x = 1,539,285,522.91/55,832.57
  6. Step 6: Final answer
    x = 27,569.67

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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.