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Finding the Fourth Proportional to 1,166.06, 1,757.12 and 965.14

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Solution

The fourth proportional to 1,166.06, 1,757.12 and 965.14 is: 1,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.06 : 1,757.12 = 965.14 : x
  2. Step 2: Convert to fraction form
    1,166.06/1,757.12 = 965.14/x
  3. Step 3: Cross multiply
    1,166.06x = 1,757.12 × 965.14
  4. Step 4: Simplify right side
    1,166.06x = 1,695,857.58
  5. Step 5: Solve for x
    x = 1,695,857.58/1,166.06
  6. Step 6: Final answer
    x = 1,454.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.