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Finding the Fourth Proportional to 3,602.73, 5,394.75 and 3,086.07

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Solution

The fourth proportional to 3,602.73, 5,394.75 and 3,086.07 is: 4,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.73 : 5,394.75 = 3,086.07 : x
  2. Step 2: Convert to fraction form
    3,602.73/5,394.75 = 3,086.07/x
  3. Step 3: Cross multiply
    3,602.73x = 5,394.75 × 3,086.07
  4. Step 4: Simplify right side
    3,602.73x = 16,648,576.13
  5. Step 5: Solve for x
    x = 16,648,576.13/3,602.73
  6. Step 6: Final answer
    x = 4,621.10

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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.