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Finding the Fourth Proportional to 18,596.68, 27,892.36 and 6,117.21

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Solution

The fourth proportional to 18,596.68, 27,892.36 and 6,117.21 is: 9,174.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.68 : 27,892.36 = 6,117.21 : x
  2. Step 2: Convert to fraction form
    18,596.68/27,892.36 = 6,117.21/x
  3. Step 3: Cross multiply
    18,596.68x = 27,892.36 × 6,117.21
  4. Step 4: Simplify right side
    18,596.68x = 170,623,423.52
  5. Step 5: Solve for x
    x = 170,623,423.52/18,596.68
  6. Step 6: Final answer
    x = 9,174.94

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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.