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Finding the Fourth Proportional to 55,159.92, 82,636.20 and 27,390.96

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Solution

The fourth proportional to 55,159.92, 82,636.20 and 27,390.96 is: 41,034.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,159.92 : 82,636.20 = 27,390.96 : x
  2. Step 2: Convert to fraction form
    55,159.92/82,636.20 = 27,390.96/x
  3. Step 3: Cross multiply
    55,159.92x = 82,636.20 × 27,390.96
  4. Step 4: Simplify right side
    55,159.92x = 2,263,484,848.75
  5. Step 5: Solve for x
    x = 2,263,484,848.75/55,159.92
  6. Step 6: Final answer
    x = 41,034.96

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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.