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Finding the Fourth Proportional to 1,236.66, 1,705.77 and 795.12

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Solution

The fourth proportional to 1,236.66, 1,705.77 and 795.12 is: 1,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.66 : 1,705.77 = 795.12 : x
  2. Step 2: Convert to fraction form
    1,236.66/1,705.77 = 795.12/x
  3. Step 3: Cross multiply
    1,236.66x = 1,705.77 × 795.12
  4. Step 4: Simplify right side
    1,236.66x = 1,356,291.84
  5. Step 5: Solve for x
    x = 1,356,291.84/1,236.66
  6. Step 6: Final answer
    x = 1,096.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.