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Finding the Fourth Proportional to 3,404.76, 5,097.11 and 3,320.93

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Solution

The fourth proportional to 3,404.76, 5,097.11 and 3,320.93 is: 4,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.76 : 5,097.11 = 3,320.93 : x
  2. Step 2: Convert to fraction form
    3,404.76/5,097.11 = 3,320.93/x
  3. Step 3: Cross multiply
    3,404.76x = 5,097.11 × 3,320.93
  4. Step 4: Simplify right side
    3,404.76x = 16,927,103.42
  5. Step 5: Solve for x
    x = 16,927,103.42/3,404.76
  6. Step 6: Final answer
    x = 4,971.60

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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.