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Finding the Fourth Proportional to 34,703.92, 47,891.67 and 18,788.64

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Solution

The fourth proportional to 34,703.92, 47,891.67 and 18,788.64 is: 25,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,703.92 : 47,891.67 = 18,788.64 : x
  2. Step 2: Convert to fraction form
    34,703.92/47,891.67 = 18,788.64/x
  3. Step 3: Cross multiply
    34,703.92x = 47,891.67 × 18,788.64
  4. Step 4: Simplify right side
    34,703.92x = 899,819,346.63
  5. Step 5: Solve for x
    x = 899,819,346.63/34,703.92
  6. Step 6: Final answer
    x = 25,928.46

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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.