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Finding the Fourth Proportional to 64,672.70, 96,892.30 and 27,165.65

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Solution

The fourth proportional to 64,672.70, 96,892.30 and 27,165.65 is: 40,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,672.70 : 96,892.30 = 27,165.65 : x
  2. Step 2: Convert to fraction form
    64,672.70/96,892.30 = 27,165.65/x
  3. Step 3: Cross multiply
    64,672.70x = 96,892.30 × 27,165.65
  4. Step 4: Simplify right side
    64,672.70x = 2,632,142,309.50
  5. Step 5: Solve for x
    x = 2,632,142,309.50/64,672.70
  6. Step 6: Final answer
    x = 40,699.43

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1.5x scale

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.