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Finding the Fourth Proportional to 18,340.16, 27,498.02 and 6,651.86

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Solution

The fourth proportional to 18,340.16, 27,498.02 and 6,651.86 is: 9,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.16 : 27,498.02 = 6,651.86 : x
  2. Step 2: Convert to fraction form
    18,340.16/27,498.02 = 6,651.86/x
  3. Step 3: Cross multiply
    18,340.16x = 27,498.02 × 6,651.86
  4. Step 4: Simplify right side
    18,340.16x = 182,912,808.57
  5. Step 5: Solve for x
    x = 182,912,808.57/18,340.16
  6. Step 6: Final answer
    x = 9,973.35

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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.