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Finding the Fourth Proportional to 10,662.74, 14,721.84 and 6,895.02

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Solution

The fourth proportional to 10,662.74, 14,721.84 and 6,895.02 is: 9,519.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.74 : 14,721.84 = 6,895.02 : x
  2. Step 2: Convert to fraction form
    10,662.74/14,721.84 = 6,895.02/x
  3. Step 3: Cross multiply
    10,662.74x = 14,721.84 × 6,895.02
  4. Step 4: Simplify right side
    10,662.74x = 101,507,381.24
  5. Step 5: Solve for x
    x = 101,507,381.24/10,662.74
  6. Step 6: Final answer
    x = 9,519.83

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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.