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Finding the Fourth Proportional to 34,324.80, 51,530.40 and 18,542.40

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Solution

The fourth proportional to 34,324.80, 51,530.40 and 18,542.40 is: 27,836.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,324.80 : 51,530.40 = 18,542.40 : x
  2. Step 2: Convert to fraction form
    34,324.80/51,530.40 = 18,542.40/x
  3. Step 3: Cross multiply
    34,324.80x = 51,530.40 × 18,542.40
  4. Step 4: Simplify right side
    34,324.80x = 955,497,288.96
  5. Step 5: Solve for x
    x = 955,497,288.96/34,324.80
  6. Step 6: Final answer
    x = 27,836.94

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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.