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Finding the Fourth Proportional to 64,370.50, 96,555.89 and 27,434.50

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Solution

The fourth proportional to 64,370.50, 96,555.89 and 27,434.50 is: 41,151.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,370.50 : 96,555.89 = 27,434.50 : x
  2. Step 2: Convert to fraction form
    64,370.50/96,555.89 = 27,434.50/x
  3. Step 3: Cross multiply
    64,370.50x = 96,555.89 × 27,434.50
  4. Step 4: Simplify right side
    64,370.50x = 2,648,962,564.21
  5. Step 5: Solve for x
    x = 2,648,962,564.21/64,370.50
  6. Step 6: Final answer
    x = 41,151.81

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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.