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Finding the Fourth Proportional to 34,666.56, 47,839.86 and 18,751.01

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Solution

The fourth proportional to 34,666.56, 47,839.86 and 18,751.01 is: 25,876.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,666.56 : 47,839.86 = 18,751.01 : x
  2. Step 2: Convert to fraction form
    34,666.56/47,839.86 = 18,751.01/x
  3. Step 3: Cross multiply
    34,666.56x = 47,839.86 × 18,751.01
  4. Step 4: Simplify right side
    34,666.56x = 897,045,454.06
  5. Step 5: Solve for x
    x = 897,045,454.06/34,666.56
  6. Step 6: Final answer
    x = 25,876.39

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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.