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Finding the Fourth Proportional to 3,504.94, 5,264.64 and 3,388.30

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Solution

The fourth proportional to 3,504.94, 5,264.64 and 3,388.30 is: 5,089.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.94 : 5,264.64 = 3,388.30 : x
  2. Step 2: Convert to fraction form
    3,504.94/5,264.64 = 3,388.30/x
  3. Step 3: Cross multiply
    3,504.94x = 5,264.64 × 3,388.30
  4. Step 4: Simplify right side
    3,504.94x = 17,838,179.71
  5. Step 5: Solve for x
    x = 17,838,179.71/3,504.94
  6. Step 6: Final answer
    x = 5,089.44

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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.