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Finding the Fourth Proportional to 2,693.53, 3,715.65 and 2,029.23

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Solution

The fourth proportional to 2,693.53, 3,715.65 and 2,029.23 is: 2,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.53 : 3,715.65 = 2,029.23 : x
  2. Step 2: Convert to fraction form
    2,693.53/3,715.65 = 2,029.23/x
  3. Step 3: Cross multiply
    2,693.53x = 3,715.65 × 2,029.23
  4. Step 4: Simplify right side
    2,693.53x = 7,539,908.45
  5. Step 5: Solve for x
    x = 7,539,908.45/2,693.53
  6. Step 6: Final answer
    x = 2,799.27

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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.