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Finding the Fourth Proportional to 2,282.63, 3,423.94 and 551.25

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Solution

The fourth proportional to 2,282.63, 3,423.94 and 551.25 is: 826.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.63 : 3,423.94 = 551.25 : x
  2. Step 2: Convert to fraction form
    2,282.63/3,423.94 = 551.25/x
  3. Step 3: Cross multiply
    2,282.63x = 3,423.94 × 551.25
  4. Step 4: Simplify right side
    2,282.63x = 1,887,445.55
  5. Step 5: Solve for x
    x = 1,887,445.55/2,282.63
  6. Step 6: Final answer
    x = 826.88

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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.