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Finding the Fourth Proportional to 3,459.94, 5,165.27 and 3,338.44

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Solution

The fourth proportional to 3,459.94, 5,165.27 and 3,338.44 is: 4,983.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.94 : 5,165.27 = 3,338.44 : x
  2. Step 2: Convert to fraction form
    3,459.94/5,165.27 = 3,338.44/x
  3. Step 3: Cross multiply
    3,459.94x = 5,165.27 × 3,338.44
  4. Step 4: Simplify right side
    3,459.94x = 17,243,943.98
  5. Step 5: Solve for x
    x = 17,243,943.98/3,459.94
  6. Step 6: Final answer
    x = 4,983.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.