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Finding the Fourth Proportional to 36,530.40, 54,698.40 and 23,311.20

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Solution

The fourth proportional to 36,530.40, 54,698.40 and 23,311.20 is: 34,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,530.40 : 54,698.40 = 23,311.20 : x
  2. Step 2: Convert to fraction form
    36,530.40/54,698.40 = 23,311.20/x
  3. Step 3: Cross multiply
    36,530.40x = 54,698.40 × 23,311.20
  4. Step 4: Simplify right side
    36,530.40x = 1,275,085,342.08
  5. Step 5: Solve for x
    x = 1,275,085,342.08/36,530.40
  6. Step 6: Final answer
    x = 34,904.77

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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.