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Finding the Fourth Proportional to 54,760.77, 82,105.84 and 21,484.19

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Solution

The fourth proportional to 54,760.77, 82,105.84 and 21,484.19 is: 32,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,760.77 : 82,105.84 = 21,484.19 : x
  2. Step 2: Convert to fraction form
    54,760.77/82,105.84 = 21,484.19/x
  3. Step 3: Cross multiply
    54,760.77x = 82,105.84 × 21,484.19
  4. Step 4: Simplify right side
    54,760.77x = 1,763,977,731.89
  5. Step 5: Solve for x
    x = 1,763,977,731.89/54,760.77
  6. Step 6: Final answer
    x = 32,212.44

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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.