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Finding the Fourth Proportional to 3,929.53, 5,894.31 and 3,732.44

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Solution

The fourth proportional to 3,929.53, 5,894.31 and 3,732.44 is: 5,598.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.53 : 5,894.31 = 3,732.44 : x
  2. Step 2: Convert to fraction form
    3,929.53/5,894.31 = 3,732.44/x
  3. Step 3: Cross multiply
    3,929.53x = 5,894.31 × 3,732.44
  4. Step 4: Simplify right side
    3,929.53x = 22,000,158.14
  5. Step 5: Solve for x
    x = 22,000,158.14/3,929.53
  6. Step 6: Final answer
    x = 5,598.68

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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.