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Finding the Fourth Proportional to 32,784.52, 49,225.84 and 18,760.36

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Solution

The fourth proportional to 32,784.52, 49,225.84 and 18,760.36 is: 28,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,784.52 : 49,225.84 = 18,760.36 : x
  2. Step 2: Convert to fraction form
    32,784.52/49,225.84 = 18,760.36/x
  3. Step 3: Cross multiply
    32,784.52x = 49,225.84 × 18,760.36
  4. Step 4: Simplify right side
    32,784.52x = 923,494,479.70
  5. Step 5: Solve for x
    x = 923,494,479.70/32,784.52
  6. Step 6: Final answer
    x = 28,168.61

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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.