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Finding the Fourth Proportional to 1,166.34, 1,751.25 and 1,003.58

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Solution

The fourth proportional to 1,166.34, 1,751.25 and 1,003.58 is: 1,506.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.34 : 1,751.25 = 1,003.58 : x
  2. Step 2: Convert to fraction form
    1,166.34/1,751.25 = 1,003.58/x
  3. Step 3: Cross multiply
    1,166.34x = 1,751.25 × 1,003.58
  4. Step 4: Simplify right side
    1,166.34x = 1,757,518.59
  5. Step 5: Solve for x
    x = 1,757,518.59/1,166.34
  6. Step 6: Final answer
    x = 1,506.87

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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.