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Finding the Fourth Proportional to 4,669.29, 7,003.84 and 1,159.29

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Solution

The fourth proportional to 4,669.29, 7,003.84 and 1,159.29 is: 1,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.29 : 7,003.84 = 1,159.29 : x
  2. Step 2: Convert to fraction form
    4,669.29/7,003.84 = 1,159.29/x
  3. Step 3: Cross multiply
    4,669.29x = 7,003.84 × 1,159.29
  4. Step 4: Simplify right side
    4,669.29x = 8,119,481.67
  5. Step 5: Solve for x
    x = 8,119,481.67/4,669.29
  6. Step 6: Final answer
    x = 1,738.91

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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.