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Finding the Fourth Proportional to 1,496.22, 2,065.99 and 965.36

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Solution

The fourth proportional to 1,496.22, 2,065.99 and 965.36 is: 1,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.22 : 2,065.99 = 965.36 : x
  2. Step 2: Convert to fraction form
    1,496.22/2,065.99 = 965.36/x
  3. Step 3: Cross multiply
    1,496.22x = 2,065.99 × 965.36
  4. Step 4: Simplify right side
    1,496.22x = 1,994,428.67
  5. Step 5: Solve for x
    x = 1,994,428.67/1,496.22
  6. Step 6: Final answer
    x = 1,332.98

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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.