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Finding the Fourth Proportional to 55,181.82, 82,770.96 and 15,738.93

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Solution

The fourth proportional to 55,181.82, 82,770.96 and 15,738.93 is: 23,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,181.82 : 82,770.96 = 15,738.93 : x
  2. Step 2: Convert to fraction form
    55,181.82/82,770.96 = 15,738.93/x
  3. Step 3: Cross multiply
    55,181.82x = 82,770.96 × 15,738.93
  4. Step 4: Simplify right side
    55,181.82x = 1,302,726,345.47
  5. Step 5: Solve for x
    x = 1,302,726,345.47/55,181.82
  6. Step 6: Final answer
    x = 23,607.89

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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.