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Finding the Fourth Proportional to 63,014.63, 86,960.45 and 34,719.71

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Solution

The fourth proportional to 63,014.63, 86,960.45 and 34,719.71 is: 47,913.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,014.63 : 86,960.45 = 34,719.71 : x
  2. Step 2: Convert to fraction form
    63,014.63/86,960.45 = 34,719.71/x
  3. Step 3: Cross multiply
    63,014.63x = 86,960.45 × 34,719.71
  4. Step 4: Simplify right side
    63,014.63x = 3,019,241,257.47
  5. Step 5: Solve for x
    x = 3,019,241,257.47/63,014.63
  6. Step 6: Final answer
    x = 47,913.34

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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.