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Finding the Fourth Proportional to 34,615.52, 47,769.44 and 18,699.96

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Solution

The fourth proportional to 34,615.52, 47,769.44 and 18,699.96 is: 25,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,615.52 : 47,769.44 = 18,699.96 : x
  2. Step 2: Convert to fraction form
    34,615.52/47,769.44 = 18,699.96/x
  3. Step 3: Cross multiply
    34,615.52x = 47,769.44 × 18,699.96
  4. Step 4: Simplify right side
    34,615.52x = 893,286,617.22
  5. Step 5: Solve for x
    x = 893,286,617.22/34,615.52
  6. Step 6: Final answer
    x = 25,805.96

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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.