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Finding the Fourth Proportional to 2,999.53, 4,138.99 and 1,673.16

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Solution

The fourth proportional to 2,999.53, 4,138.99 and 1,673.16 is: 2,308.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.53 : 4,138.99 = 1,673.16 : x
  2. Step 2: Convert to fraction form
    2,999.53/4,138.99 = 1,673.16/x
  3. Step 3: Cross multiply
    2,999.53x = 4,138.99 × 1,673.16
  4. Step 4: Simplify right side
    2,999.53x = 6,925,192.51
  5. Step 5: Solve for x
    x = 6,925,192.51/2,999.53
  6. Step 6: Final answer
    x = 2,308.76

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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.