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Finding the Fourth Proportional to 14,241.17, 21,351.49 and 6,839.93

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Solution

The fourth proportional to 14,241.17, 21,351.49 and 6,839.93 is: 10,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,241.17 : 21,351.49 = 6,839.93 : x
  2. Step 2: Convert to fraction form
    14,241.17/21,351.49 = 6,839.93/x
  3. Step 3: Cross multiply
    14,241.17x = 21,351.49 × 6,839.93
  4. Step 4: Simplify right side
    14,241.17x = 146,042,697.00
  5. Step 5: Solve for x
    x = 146,042,697.00/14,241.17
  6. Step 6: Final answer
    x = 10,254.96

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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.