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Finding the Fourth Proportional to 959.36, 1,322.34 and 737.96

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Solution

The fourth proportional to 959.36, 1,322.34 and 737.96 is: 1,017.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.36 : 1,322.34 = 737.96 : x
  2. Step 2: Convert to fraction form
    959.36/1,322.34 = 737.96/x
  3. Step 3: Cross multiply
    959.36x = 1,322.34 × 737.96
  4. Step 4: Simplify right side
    959.36x = 975,834.03
  5. Step 5: Solve for x
    x = 975,834.03/959.36
  6. Step 6: Final answer
    x = 1,017.17

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1.5x scale

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.