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Finding the Fourth Proportional to 2,873.34, 4,310.19 and 925.29

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Solution

The fourth proportional to 2,873.34, 4,310.19 and 925.29 is: 1,387.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.34 : 4,310.19 = 925.29 : x
  2. Step 2: Convert to fraction form
    2,873.34/4,310.19 = 925.29/x
  3. Step 3: Cross multiply
    2,873.34x = 4,310.19 × 925.29
  4. Step 4: Simplify right side
    2,873.34x = 3,988,175.71
  5. Step 5: Solve for x
    x = 3,988,175.71/2,873.34
  6. Step 6: Final answer
    x = 1,387.99

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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.