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Finding the Fourth Proportional to 45,647.80, 68,542.10 and 24,911.80

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Solution

The fourth proportional to 45,647.80, 68,542.10 and 24,911.80 is: 37,406.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,647.80 : 68,542.10 = 24,911.80 : x
  2. Step 2: Convert to fraction form
    45,647.80/68,542.10 = 24,911.80/x
  3. Step 3: Cross multiply
    45,647.80x = 68,542.10 × 24,911.80
  4. Step 4: Simplify right side
    45,647.80x = 1,707,507,086.78
  5. Step 5: Solve for x
    x = 1,707,507,086.78/45,647.80
  6. Step 6: Final answer
    x = 37,406.12

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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.