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Finding the Fourth Proportional to 63,274, 87,310.54 and 34,975.84

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Solution

The fourth proportional to 63,274, 87,310.54 and 34,975.84 is: 48,262.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,274 : 87,310.54 = 34,975.84 : x
  2. Step 2: Convert to fraction form
    63,274/87,310.54 = 34,975.84/x
  3. Step 3: Cross multiply
    63,274x = 87,310.54 × 34,975.84
  4. Step 4: Simplify right side
    63,274x = 3,053,759,477.35
  5. Step 5: Solve for x
    x = 3,053,759,477.35/63,274
  6. Step 6: Final answer
    x = 48,262.47

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Why These Related Problems?

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