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Finding the Fourth Proportional to 18,597.88, 27,903.30 and 6,914.44

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Solution

The fourth proportional to 18,597.88, 27,903.30 and 6,914.44 is: 10,374.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.88 : 27,903.30 = 6,914.44 : x
  2. Step 2: Convert to fraction form
    18,597.88/27,903.30 = 6,914.44/x
  3. Step 3: Cross multiply
    18,597.88x = 27,903.30 × 6,914.44
  4. Step 4: Simplify right side
    18,597.88x = 192,935,693.65
  5. Step 5: Solve for x
    x = 192,935,693.65/18,597.88
  6. Step 6: Final answer
    x = 10,374.07

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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.