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Finding the Fourth Proportional to 1,929.25, 2,893.06 and 832.51

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Solution

The fourth proportional to 1,929.25, 2,893.06 and 832.51 is: 1,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.25 : 2,893.06 = 832.51 : x
  2. Step 2: Convert to fraction form
    1,929.25/2,893.06 = 832.51/x
  3. Step 3: Cross multiply
    1,929.25x = 2,893.06 × 832.51
  4. Step 4: Simplify right side
    1,929.25x = 2,408,501.38
  5. Step 5: Solve for x
    x = 2,408,501.38/1,929.25
  6. Step 6: Final answer
    x = 1,248.41

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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.