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Finding the Fourth Proportional to 63,014.92, 86,960.74 and 34,334.44

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Solution

The fourth proportional to 63,014.92, 86,960.74 and 34,334.44 is: 47,381.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,014.92 : 86,960.74 = 34,334.44 : x
  2. Step 2: Convert to fraction form
    63,014.92/86,960.74 = 34,334.44/x
  3. Step 3: Cross multiply
    63,014.92x = 86,960.74 × 34,334.44
  4. Step 4: Simplify right side
    63,014.92x = 2,985,748,309.89
  5. Step 5: Solve for x
    x = 2,985,748,309.89/63,014.92
  6. Step 6: Final answer
    x = 47,381.61

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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.