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Finding the Fourth Proportional to 1,891.86, 2,837.61 and 593.25

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Solution

The fourth proportional to 1,891.86, 2,837.61 and 593.25 is: 889.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.86 : 2,837.61 = 593.25 : x
  2. Step 2: Convert to fraction form
    1,891.86/2,837.61 = 593.25/x
  3. Step 3: Cross multiply
    1,891.86x = 2,837.61 × 593.25
  4. Step 4: Simplify right side
    1,891.86x = 1,683,412.13
  5. Step 5: Solve for x
    x = 1,683,412.13/1,891.86
  6. Step 6: Final answer
    x = 889.82

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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.