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Finding the Fourth Proportional to 8,505.43, 11,736.61 and 4,727.99

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Solution

The fourth proportional to 8,505.43, 11,736.61 and 4,727.99 is: 6,524.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.43 : 11,736.61 = 4,727.99 : x
  2. Step 2: Convert to fraction form
    8,505.43/11,736.61 = 4,727.99/x
  3. Step 3: Cross multiply
    8,505.43x = 11,736.61 × 4,727.99
  4. Step 4: Simplify right side
    8,505.43x = 55,490,574.71
  5. Step 5: Solve for x
    x = 55,490,574.71/8,505.43
  6. Step 6: Final answer
    x = 6,524.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.