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Finding the Fourth Proportional to 64,271.67, 88,672.09 and 41,876.79

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Solution

The fourth proportional to 64,271.67, 88,672.09 and 41,876.79 is: 57,775.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,271.67 : 88,672.09 = 41,876.79 : x
  2. Step 2: Convert to fraction form
    64,271.67/88,672.09 = 41,876.79/x
  3. Step 3: Cross multiply
    64,271.67x = 88,672.09 × 41,876.79
  4. Step 4: Simplify right side
    64,271.67x = 3,713,302,491.79
  5. Step 5: Solve for x
    x = 3,713,302,491.79/64,271.67
  6. Step 6: Final answer
    x = 57,775.11

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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.