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Finding the Fourth Proportional to 2,703.51, 4,057.54 and 1,061.21

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Solution

The fourth proportional to 2,703.51, 4,057.54 and 1,061.21 is: 1,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.51 : 4,057.54 = 1,061.21 : x
  2. Step 2: Convert to fraction form
    2,703.51/4,057.54 = 1,061.21/x
  3. Step 3: Cross multiply
    2,703.51x = 4,057.54 × 1,061.21
  4. Step 4: Simplify right side
    2,703.51x = 4,305,879.08
  5. Step 5: Solve for x
    x = 4,305,879.08/2,703.51
  6. Step 6: Final answer
    x = 1,592.70

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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.