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Finding the Fourth Proportional to 1,184.66, 1,777.00 and 965.03

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Solution

The fourth proportional to 1,184.66, 1,777.00 and 965.03 is: 1,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.66 : 1,777.00 = 965.03 : x
  2. Step 2: Convert to fraction form
    1,184.66/1,777.00 = 965.03/x
  3. Step 3: Cross multiply
    1,184.66x = 1,777.00 × 965.03
  4. Step 4: Simplify right side
    1,184.66x = 1,714,844.60
  5. Step 5: Solve for x
    x = 1,714,844.60/1,184.66
  6. Step 6: Final answer
    x = 1,447.55

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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.