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Finding the Fourth Proportional to 795.10, 1,192.10 and 551.02

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Solution

The fourth proportional to 795.10, 1,192.10 and 551.02 is: 826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.10 : 1,192.10 = 551.02 : x
  2. Step 2: Convert to fraction form
    795.10/1,192.10 = 551.02/x
  3. Step 3: Cross multiply
    795.10x = 1,192.10 × 551.02
  4. Step 4: Simplify right side
    795.10x = 656,870.94
  5. Step 5: Solve for x
    x = 656,870.94/795.10
  6. Step 6: Final answer
    x = 826.15

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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.