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Finding the Fourth Proportional to 3,545, 5,280.04 and 3,359.96

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Solution

The fourth proportional to 3,545, 5,280.04 and 3,359.96 is: 5,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545 : 5,280.04 = 3,359.96 : x
  2. Step 2: Convert to fraction form
    3,545/5,280.04 = 3,359.96/x
  3. Step 3: Cross multiply
    3,545x = 5,280.04 × 3,359.96
  4. Step 4: Simplify right side
    3,545x = 17,740,723.20
  5. Step 5: Solve for x
    x = 17,740,723.20/3,545
  6. Step 6: Final answer
    x = 5,004.44

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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.