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Finding the Fourth Proportional to 63,014.94, 86,960.12 and 34,334.51

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Solution

The fourth proportional to 63,014.94, 86,960.12 and 34,334.51 is: 47,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,014.94 : 86,960.12 = 34,334.51 : x
  2. Step 2: Convert to fraction form
    63,014.94/86,960.12 = 34,334.51/x
  3. Step 3: Cross multiply
    63,014.94x = 86,960.12 × 34,334.51
  4. Step 4: Simplify right side
    63,014.94x = 2,985,732,503.27
  5. Step 5: Solve for x
    x = 2,985,732,503.27/63,014.94
  6. Step 6: Final answer
    x = 47,381.34

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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.