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Finding the Fourth Proportional to 841.24, 1,262.94 and 795.88

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Solution

The fourth proportional to 841.24, 1,262.94 and 795.88 is: 1,194.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    841.24 : 1,262.94 = 795.88 : x
  2. Step 2: Convert to fraction form
    841.24/1,262.94 = 795.88/x
  3. Step 3: Cross multiply
    841.24x = 1,262.94 × 795.88
  4. Step 4: Simplify right side
    841.24x = 1,005,148.69
  5. Step 5: Solve for x
    x = 1,005,148.69/841.24
  6. Step 6: Final answer
    x = 1,194.84

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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.