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Finding the Fourth Proportional to 52,735.68, 79,103.40 and 13,295.88

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Solution

The fourth proportional to 52,735.68, 79,103.40 and 13,295.88 is: 19,943.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,735.68 : 79,103.40 = 13,295.88 : x
  2. Step 2: Convert to fraction form
    52,735.68/79,103.40 = 13,295.88/x
  3. Step 3: Cross multiply
    52,735.68x = 79,103.40 × 13,295.88
  4. Step 4: Simplify right side
    52,735.68x = 1,051,749,313.99
  5. Step 5: Solve for x
    x = 1,051,749,313.99/52,735.68
  6. Step 6: Final answer
    x = 19,943.79

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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.