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Finding the Fourth Proportional to 1,727.33, 2,590.08 and 803.32

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Solution

The fourth proportional to 1,727.33, 2,590.08 and 803.32 is: 1,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.33 : 2,590.08 = 803.32 : x
  2. Step 2: Convert to fraction form
    1,727.33/2,590.08 = 803.32/x
  3. Step 3: Cross multiply
    1,727.33x = 2,590.08 × 803.32
  4. Step 4: Simplify right side
    1,727.33x = 2,080,674.93
  5. Step 5: Solve for x
    x = 2,080,674.93/1,727.33
  6. Step 6: Final answer
    x = 1,204.56

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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.