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Finding the Fourth Proportional to 3,005.03, 4,508.03 and 925.04

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Solution

The fourth proportional to 3,005.03, 4,508.03 and 925.04 is: 1,387.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.03 : 4,508.03 = 925.04 : x
  2. Step 2: Convert to fraction form
    3,005.03/4,508.03 = 925.04/x
  3. Step 3: Cross multiply
    3,005.03x = 4,508.03 × 925.04
  4. Step 4: Simplify right side
    3,005.03x = 4,170,096.30
  5. Step 5: Solve for x
    x = 4,170,096.30/3,005.03
  6. Step 6: Final answer
    x = 1,387.71

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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.