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Finding the Fourth Proportional to 54,019.80, 80,992.80 and 24,421.50

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Solution

The fourth proportional to 54,019.80, 80,992.80 and 24,421.50 is: 36,615.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,019.80 : 80,992.80 = 24,421.50 : x
  2. Step 2: Convert to fraction form
    54,019.80/80,992.80 = 24,421.50/x
  3. Step 3: Cross multiply
    54,019.80x = 80,992.80 × 24,421.50
  4. Step 4: Simplify right side
    54,019.80x = 1,977,965,665.20
  5. Step 5: Solve for x
    x = 1,977,965,665.20/54,019.80
  6. Step 6: Final answer
    x = 36,615.57

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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.