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Finding the Fourth Proportional to 999.13, 1,496.37 and 964.52

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Solution

The fourth proportional to 999.13, 1,496.37 and 964.52 is: 1,444.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    999.13 : 1,496.37 = 964.52 : x
  2. Step 2: Convert to fraction form
    999.13/1,496.37 = 964.52/x
  3. Step 3: Cross multiply
    999.13x = 1,496.37 × 964.52
  4. Step 4: Simplify right side
    999.13x = 1,443,282.53
  5. Step 5: Solve for x
    x = 1,443,282.53/999.13
  6. Step 6: Final answer
    x = 1,444.54

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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.