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Finding the Fourth Proportional to 18,597.40, 27,891.24 and 6,904.24

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Solution

The fourth proportional to 18,597.40, 27,891.24 and 6,904.24 is: 10,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.40 : 27,891.24 = 6,904.24 : x
  2. Step 2: Convert to fraction form
    18,597.40/27,891.24 = 6,904.24/x
  3. Step 3: Cross multiply
    18,597.40x = 27,891.24 × 6,904.24
  4. Step 4: Simplify right side
    18,597.40x = 192,567,814.86
  5. Step 5: Solve for x
    x = 192,567,814.86/18,597.40
  6. Step 6: Final answer
    x = 10,354.56

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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.