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Finding the Fourth Proportional to 18,397.90, 27,596.94 and 6,711.10

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Solution

The fourth proportional to 18,397.90, 27,596.94 and 6,711.10 is: 10,066.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.90 : 27,596.94 = 6,711.10 : x
  2. Step 2: Convert to fraction form
    18,397.90/27,596.94 = 6,711.10/x
  3. Step 3: Cross multiply
    18,397.90x = 27,596.94 × 6,711.10
  4. Step 4: Simplify right side
    18,397.90x = 185,205,824.03
  5. Step 5: Solve for x
    x = 185,205,824.03/18,397.90
  6. Step 6: Final answer
    x = 10,066.68

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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.