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Finding the Fourth Proportional to 35,483.93, 53,212.85 and 11,787.17

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Solution

The fourth proportional to 35,483.93, 53,212.85 and 11,787.17 is: 17,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,483.93 : 53,212.85 = 11,787.17 : x
  2. Step 2: Convert to fraction form
    35,483.93/53,212.85 = 11,787.17/x
  3. Step 3: Cross multiply
    35,483.93x = 53,212.85 × 11,787.17
  4. Step 4: Simplify right side
    35,483.93x = 627,228,584.13
  5. Step 5: Solve for x
    x = 627,228,584.13/35,483.93
  6. Step 6: Final answer
    x = 17,676.42

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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.