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Finding the Fourth Proportional to 3,748.05, 5,609.72 and 3,337.99

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Solution

The fourth proportional to 3,748.05, 5,609.72 and 3,337.99 is: 4,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.05 : 5,609.72 = 3,337.99 : x
  2. Step 2: Convert to fraction form
    3,748.05/5,609.72 = 3,337.99/x
  3. Step 3: Cross multiply
    3,748.05x = 5,609.72 × 3,337.99
  4. Step 4: Simplify right side
    3,748.05x = 18,725,189.26
  5. Step 5: Solve for x
    x = 18,725,189.26/3,748.05
  6. Step 6: Final answer
    x = 4,995.98

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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.