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Finding the Fourth Proportional to 9,814.84, 14,720.82 and 3,241.24

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Solution

The fourth proportional to 9,814.84, 14,720.82 and 3,241.24 is: 4,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,814.84 : 14,720.82 = 3,241.24 : x
  2. Step 2: Convert to fraction form
    9,814.84/14,720.82 = 3,241.24/x
  3. Step 3: Cross multiply
    9,814.84x = 14,720.82 × 3,241.24
  4. Step 4: Simplify right side
    9,814.84x = 47,713,710.62
  5. Step 5: Solve for x
    x = 47,713,710.62/9,814.84
  6. Step 6: Final answer
    x = 4,861.38

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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.