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Finding the Fourth Proportional to 43,196, 64,794 and 15,494

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Solution

The fourth proportional to 43,196, 64,794 and 15,494 is: 23,241

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,196 : 64,794 = 15,494 : x
  2. Step 2: Convert to fraction form
    43,196/64,794 = 15,494/x
  3. Step 3: Cross multiply
    43,196x = 64,794 × 15,494
  4. Step 4: Simplify right side
    43,196x = 1,003,918,236
  5. Step 5: Solve for x
    x = 1,003,918,236/43,196
  6. Step 6: Final answer
    x = 23,241

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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.