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Finding the Fourth Proportional to 1,837.68, 2,752.68 and 1,578.48

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Solution

The fourth proportional to 1,837.68, 2,752.68 and 1,578.48 is: 2,364.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.68 : 2,752.68 = 1,578.48 : x
  2. Step 2: Convert to fraction form
    1,837.68/2,752.68 = 1,578.48/x
  3. Step 3: Cross multiply
    1,837.68x = 2,752.68 × 1,578.48
  4. Step 4: Simplify right side
    1,837.68x = 4,345,050.33
  5. Step 5: Solve for x
    x = 4,345,050.33/1,837.68
  6. Step 6: Final answer
    x = 2,364.42

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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.