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Finding the Fourth Proportional to 7,494.30, 11,241.45 and 3,606.30

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Solution

The fourth proportional to 7,494.30, 11,241.45 and 3,606.30 is: 5,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494.30 : 11,241.45 = 3,606.30 : x
  2. Step 2: Convert to fraction form
    7,494.30/11,241.45 = 3,606.30/x
  3. Step 3: Cross multiply
    7,494.30x = 11,241.45 × 3,606.30
  4. Step 4: Simplify right side
    7,494.30x = 40,540,041.14
  5. Step 5: Solve for x
    x = 40,540,041.14/7,494.30
  6. Step 6: Final answer
    x = 5,409.45

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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.