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Finding the Fourth Proportional to 27,060.39, 40,524.98 and 18,716.99

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Solution

The fourth proportional to 27,060.39, 40,524.98 and 18,716.99 is: 28,030.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,060.39 : 40,524.98 = 18,716.99 : x
  2. Step 2: Convert to fraction form
    27,060.39/40,524.98 = 18,716.99/x
  3. Step 3: Cross multiply
    27,060.39x = 40,524.98 × 18,716.99
  4. Step 4: Simplify right side
    27,060.39x = 758,505,349.20
  5. Step 5: Solve for x
    x = 758,505,349.20/27,060.39
  6. Step 6: Final answer
    x = 28,030.10

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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.