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Finding the Fourth Proportional to 10,834.60, 14,954.94 and 6,359.32

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Solution

The fourth proportional to 10,834.60, 14,954.94 and 6,359.32 is: 8,777.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,834.60 : 14,954.94 = 6,359.32 : x
  2. Step 2: Convert to fraction form
    10,834.60/14,954.94 = 6,359.32/x
  3. Step 3: Cross multiply
    10,834.60x = 14,954.94 × 6,359.32
  4. Step 4: Simplify right side
    10,834.60x = 95,103,249.04
  5. Step 5: Solve for x
    x = 95,103,249.04/10,834.60
  6. Step 6: Final answer
    x = 8,777.74

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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.