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Finding the Fourth Proportional to 2,009.65, 2,773.11 and 1,159.00

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Solution

The fourth proportional to 2,009.65, 2,773.11 and 1,159.00 is: 1,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.65 : 2,773.11 = 1,159.00 : x
  2. Step 2: Convert to fraction form
    2,009.65/2,773.11 = 1,159.00/x
  3. Step 3: Cross multiply
    2,009.65x = 2,773.11 × 1,159.00
  4. Step 4: Simplify right side
    2,009.65x = 3,214,014.83
  5. Step 5: Solve for x
    x = 3,214,014.83/2,009.65
  6. Step 6: Final answer
    x = 1,599.29

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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.