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Finding the Fourth Proportional to 1,788.42, 2,467.82 and 1,002.45

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Solution

The fourth proportional to 1,788.42, 2,467.82 and 1,002.45 is: 1,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.42 : 2,467.82 = 1,002.45 : x
  2. Step 2: Convert to fraction form
    1,788.42/2,467.82 = 1,002.45/x
  3. Step 3: Cross multiply
    1,788.42x = 2,467.82 × 1,002.45
  4. Step 4: Simplify right side
    1,788.42x = 2,473,869.57
  5. Step 5: Solve for x
    x = 2,473,869.57/1,788.42
  6. Step 6: Final answer
    x = 1,383.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.