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Finding the Fourth Proportional to 10,669.55, 14,723.99 and 5,953.83

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Solution

The fourth proportional to 10,669.55, 14,723.99 and 5,953.83 is: 8,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.55 : 14,723.99 = 5,953.83 : x
  2. Step 2: Convert to fraction form
    10,669.55/14,723.99 = 5,953.83/x
  3. Step 3: Cross multiply
    10,669.55x = 14,723.99 × 5,953.83
  4. Step 4: Simplify right side
    10,669.55x = 87,664,133.38
  5. Step 5: Solve for x
    x = 87,664,133.38/10,669.55
  6. Step 6: Final answer
    x = 8,216.29

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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.