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Finding the Fourth Proportional to 18,562.88, 27,847.92 and 6,876.08

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Solution

The fourth proportional to 18,562.88, 27,847.92 and 6,876.08 is: 10,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.88 : 27,847.92 = 6,876.08 : x
  2. Step 2: Convert to fraction form
    18,562.88/27,847.92 = 6,876.08/x
  3. Step 3: Cross multiply
    18,562.88x = 27,847.92 × 6,876.08
  4. Step 4: Simplify right side
    18,562.88x = 191,484,525.75
  5. Step 5: Solve for x
    x = 191,484,525.75/18,562.88
  6. Step 6: Final answer
    x = 10,315.45

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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.