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Finding the Fourth Proportional to 65,930.63, 98,900.51 and 26,487.71

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Solution

The fourth proportional to 65,930.63, 98,900.51 and 26,487.71 is: 39,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,930.63 : 98,900.51 = 26,487.71 : x
  2. Step 2: Convert to fraction form
    65,930.63/98,900.51 = 26,487.71/x
  3. Step 3: Cross multiply
    65,930.63x = 98,900.51 × 26,487.71
  4. Step 4: Simplify right side
    65,930.63x = 2,619,647,400.79
  5. Step 5: Solve for x
    x = 2,619,647,400.79/65,930.63
  6. Step 6: Final answer
    x = 39,733.39

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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.