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Finding the Fourth Proportional to 63,346.20, 94,980.90 and 31,719.48

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Solution

The fourth proportional to 63,346.20, 94,980.90 and 31,719.48 is: 47,559.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,346.20 : 94,980.90 = 31,719.48 : x
  2. Step 2: Convert to fraction form
    63,346.20/94,980.90 = 31,719.48/x
  3. Step 3: Cross multiply
    63,346.20x = 94,980.90 × 31,719.48
  4. Step 4: Simplify right side
    63,346.20x = 3,012,744,757.93
  5. Step 5: Solve for x
    x = 3,012,744,757.93/63,346.20
  6. Step 6: Final answer
    x = 47,559.99

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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.