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Finding the Fourth Proportional to 3,609.34, 5,416.02 and 1,966.02

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Solution

The fourth proportional to 3,609.34, 5,416.02 and 1,966.02 is: 2,950.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.34 : 5,416.02 = 1,966.02 : x
  2. Step 2: Convert to fraction form
    3,609.34/5,416.02 = 1,966.02/x
  3. Step 3: Cross multiply
    3,609.34x = 5,416.02 × 1,966.02
  4. Step 4: Simplify right side
    3,609.34x = 10,648,003.64
  5. Step 5: Solve for x
    x = 10,648,003.64/3,609.34
  6. Step 6: Final answer
    x = 2,950.12

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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.