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Finding the Fourth Proportional to 62,771.67, 94,157.66 and 15,386.97

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Solution

The fourth proportional to 62,771.67, 94,157.66 and 15,386.97 is: 23,080.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,771.67 : 94,157.66 = 15,386.97 : x
  2. Step 2: Convert to fraction form
    62,771.67/94,157.66 = 15,386.97/x
  3. Step 3: Cross multiply
    62,771.67x = 94,157.66 × 15,386.97
  4. Step 4: Simplify right side
    62,771.67x = 1,448,801,394.70
  5. Step 5: Solve for x
    x = 1,448,801,394.70/62,771.67
  6. Step 6: Final answer
    x = 23,080.50

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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.