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Finding the Fourth Proportional to 64,008.80, 95,941.20 and 30,744.80

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Solution

The fourth proportional to 64,008.80, 95,941.20 and 30,744.80 is: 46,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,008.80 : 95,941.20 = 30,744.80 : x
  2. Step 2: Convert to fraction form
    64,008.80/95,941.20 = 30,744.80/x
  3. Step 3: Cross multiply
    64,008.80x = 95,941.20 × 30,744.80
  4. Step 4: Simplify right side
    64,008.80x = 2,949,693,005.76
  5. Step 5: Solve for x
    x = 2,949,693,005.76/64,008.80
  6. Step 6: Final answer
    x = 46,082.62

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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.