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Finding the Fourth Proportional to 3,602.74, 5,394.76 and 3,086.06

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Solution

The fourth proportional to 3,602.74, 5,394.76 and 3,086.06 is: 4,621.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.74 : 5,394.76 = 3,086.06 : x
  2. Step 2: Convert to fraction form
    3,602.74/5,394.76 = 3,086.06/x
  3. Step 3: Cross multiply
    3,602.74x = 5,394.76 × 3,086.06
  4. Step 4: Simplify right side
    3,602.74x = 16,648,553.05
  5. Step 5: Solve for x
    x = 16,648,553.05/3,602.74
  6. Step 6: Final answer
    x = 4,621.08

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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.