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Finding the Fourth Proportional to 54,030.80, 81,007.80 and 24,462.80

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Solution

The fourth proportional to 54,030.80, 81,007.80 and 24,462.80 is: 36,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,030.80 : 81,007.80 = 24,462.80 : x
  2. Step 2: Convert to fraction form
    54,030.80/81,007.80 = 24,462.80/x
  3. Step 3: Cross multiply
    54,030.80x = 81,007.80 × 24,462.80
  4. Step 4: Simplify right side
    54,030.80x = 1,981,677,609.84
  5. Step 5: Solve for x
    x = 1,981,677,609.84/54,030.80
  6. Step 6: Final answer
    x = 36,676.81

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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.