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Finding the Fourth Proportional to 55,874.63, 83,794.05 and 18,426.30

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Solution

The fourth proportional to 55,874.63, 83,794.05 and 18,426.30 is: 27,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,874.63 : 83,794.05 = 18,426.30 : x
  2. Step 2: Convert to fraction form
    55,874.63/83,794.05 = 18,426.30/x
  3. Step 3: Cross multiply
    55,874.63x = 83,794.05 × 18,426.30
  4. Step 4: Simplify right side
    55,874.63x = 1,544,014,303.52
  5. Step 5: Solve for x
    x = 1,544,014,303.52/55,874.63
  6. Step 6: Final answer
    x = 27,633.55

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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.