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Finding the Fourth Proportional to 2,179.69, 3,009.53 and 1,341.52

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Solution

The fourth proportional to 2,179.69, 3,009.53 and 1,341.52 is: 1,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.69 : 3,009.53 = 1,341.52 : x
  2. Step 2: Convert to fraction form
    2,179.69/3,009.53 = 1,341.52/x
  3. Step 3: Cross multiply
    2,179.69x = 3,009.53 × 1,341.52
  4. Step 4: Simplify right side
    2,179.69x = 4,037,340.52
  5. Step 5: Solve for x
    x = 4,037,340.52/2,179.69
  6. Step 6: Final answer
    x = 1,852.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.