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Finding the Fourth Proportional to 1,166.29, 1,740.90 and 1,027.90

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Solution

The fourth proportional to 1,166.29, 1,740.90 and 1,027.90 is: 1,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.29 : 1,740.90 = 1,027.90 : x
  2. Step 2: Convert to fraction form
    1,166.29/1,740.90 = 1,027.90/x
  3. Step 3: Cross multiply
    1,166.29x = 1,740.90 × 1,027.90
  4. Step 4: Simplify right side
    1,166.29x = 1,789,459.84
  5. Step 5: Solve for x
    x = 1,789,459.84/1,166.29
  6. Step 6: Final answer
    x = 1,534.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.